Home / 5,565.48-7,680.26-3,207.72

Finding the Fourth Proportional to 5,565.48, 7,680.26 and 3,207.72

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Solution

The fourth proportional to 5,565.48, 7,680.26 and 3,207.72 is: 4,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.48 : 7,680.26 = 3,207.72 : x
  2. Step 2: Convert to fraction form
    5,565.48/7,680.26 = 3,207.72/x
  3. Step 3: Cross multiply
    5,565.48x = 7,680.26 × 3,207.72
  4. Step 4: Simplify right side
    5,565.48x = 24,636,123.61
  5. Step 5: Solve for x
    x = 24,636,123.61/5,565.48
  6. Step 6: Final answer
    x = 4,426.59

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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.