Home / 5,644.76-7,782.54-4,383.68

Finding the Fourth Proportional to 5,644.76, 7,782.54 and 4,383.68

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Solution

The fourth proportional to 5,644.76, 7,782.54 and 4,383.68 is: 6,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.76 : 7,782.54 = 4,383.68 : x
  2. Step 2: Convert to fraction form
    5,644.76/7,782.54 = 4,383.68/x
  3. Step 3: Cross multiply
    5,644.76x = 7,782.54 × 4,383.68
  4. Step 4: Simplify right side
    5,644.76x = 34,116,164.95
  5. Step 5: Solve for x
    x = 34,116,164.95/5,644.76
  6. Step 6: Final answer
    x = 6,043.86

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Find fourth proportional to 2,822.38, 3,891.27 and 2,191.84
Half scale
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Double scale
Find fourth proportional to 5,645.76, 7,783.92 and 4,384.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.