Home / 5,565.62-7,680.56-3,207.76

Finding the Fourth Proportional to 5,565.62, 7,680.56 and 3,207.76

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Solution

The fourth proportional to 5,565.62, 7,680.56 and 3,207.76 is: 4,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.62 : 7,680.56 = 3,207.76 : x
  2. Step 2: Convert to fraction form
    5,565.62/7,680.56 = 3,207.76/x
  3. Step 3: Cross multiply
    5,565.62x = 7,680.56 × 3,207.76
  4. Step 4: Simplify right side
    5,565.62x = 24,637,393.15
  5. Step 5: Solve for x
    x = 24,637,393.15/5,565.62
  6. Step 6: Final answer
    x = 4,426.71

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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.