Home / 5,565.16-7,672.98-4,071.88

Finding the Fourth Proportional to 5,565.16, 7,672.98 and 4,071.88

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Solution

The fourth proportional to 5,565.16, 7,672.98 and 4,071.88 is: 5,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.16 : 7,672.98 = 4,071.88 : x
  2. Step 2: Convert to fraction form
    5,565.16/7,672.98 = 4,071.88/x
  3. Step 3: Cross multiply
    5,565.16x = 7,672.98 × 4,071.88
  4. Step 4: Simplify right side
    5,565.16x = 31,243,453.80
  5. Step 5: Solve for x
    x = 31,243,453.80/5,565.16
  6. Step 6: Final answer
    x = 5,614.12

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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.