Home / 7,136.29-10,700.79-4,363.66

Finding the Fourth Proportional to 7,136.29, 10,700.79 and 4,363.66

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Solution

The fourth proportional to 7,136.29, 10,700.79 and 4,363.66 is: 6,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.29 : 10,700.79 = 4,363.66 : x
  2. Step 2: Convert to fraction form
    7,136.29/10,700.79 = 4,363.66/x
  3. Step 3: Cross multiply
    7,136.29x = 10,700.79 × 4,363.66
  4. Step 4: Simplify right side
    7,136.29x = 46,694,609.29
  5. Step 5: Solve for x
    x = 46,694,609.29/7,136.29
  6. Step 6: Final answer
    x = 6,543.26

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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.