Home / 5,565.42-7,680.65-3,207.71

Finding the Fourth Proportional to 5,565.42, 7,680.65 and 3,207.71

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Solution

The fourth proportional to 5,565.42, 7,680.65 and 3,207.71 is: 4,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.42 : 7,680.65 = 3,207.71 : x
  2. Step 2: Convert to fraction form
    5,565.42/7,680.65 = 3,207.71/x
  3. Step 3: Cross multiply
    5,565.42x = 7,680.65 × 3,207.71
  4. Step 4: Simplify right side
    5,565.42x = 24,637,300.97
  5. Step 5: Solve for x
    x = 24,637,300.97/5,565.42
  6. Step 6: Final answer
    x = 4,426.85

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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.