Home / 5,124.62-7,072.17-3,136.07

Finding the Fourth Proportional to 5,124.62, 7,072.17 and 3,136.07

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Solution

The fourth proportional to 5,124.62, 7,072.17 and 3,136.07 is: 4,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.62 : 7,072.17 = 3,136.07 : x
  2. Step 2: Convert to fraction form
    5,124.62/7,072.17 = 3,136.07/x
  3. Step 3: Cross multiply
    5,124.62x = 7,072.17 × 3,136.07
  4. Step 4: Simplify right side
    5,124.62x = 22,178,820.17
  5. Step 5: Solve for x
    x = 22,178,820.17/5,124.62
  6. Step 6: Final answer
    x = 4,327.90

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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.