Home / 4,255.76-6,383.56-2,320.28

Finding the Fourth Proportional to 4,255.76, 6,383.56 and 2,320.28

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Solution

The fourth proportional to 4,255.76, 6,383.56 and 2,320.28 is: 3,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.76 : 6,383.56 = 2,320.28 : x
  2. Step 2: Convert to fraction form
    4,255.76/6,383.56 = 2,320.28/x
  3. Step 3: Cross multiply
    4,255.76x = 6,383.56 × 2,320.28
  4. Step 4: Simplify right side
    4,255.76x = 14,811,646.60
  5. Step 5: Solve for x
    x = 14,811,646.60/4,255.76
  6. Step 6: Final answer
    x = 3,480.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.