Home / 5,620.77-7,759.71-3,383.19

Finding the Fourth Proportional to 5,620.77, 7,759.71 and 3,383.19

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Solution

The fourth proportional to 5,620.77, 7,759.71 and 3,383.19 is: 4,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.77 : 7,759.71 = 3,383.19 : x
  2. Step 2: Convert to fraction form
    5,620.77/7,759.71 = 3,383.19/x
  3. Step 3: Cross multiply
    5,620.77x = 7,759.71 × 3,383.19
  4. Step 4: Simplify right side
    5,620.77x = 26,252,573.27
  5. Step 5: Solve for x
    x = 26,252,573.27/5,620.77
  6. Step 6: Final answer
    x = 4,670.64

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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.