Home / 5,127.55-7,693.15-2,207.91

Finding the Fourth Proportional to 5,127.55, 7,693.15 and 2,207.91

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Solution

The fourth proportional to 5,127.55, 7,693.15 and 2,207.91 is: 3,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.55 : 7,693.15 = 2,207.91 : x
  2. Step 2: Convert to fraction form
    5,127.55/7,693.15 = 2,207.91/x
  3. Step 3: Cross multiply
    5,127.55x = 7,693.15 × 2,207.91
  4. Step 4: Simplify right side
    5,127.55x = 16,985,773.22
  5. Step 5: Solve for x
    x = 16,985,773.22/5,127.55
  6. Step 6: Final answer
    x = 3,312.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.