Home / 5,136.12-7,703.25-1,437.43

Finding the Fourth Proportional to 5,136.12, 7,703.25 and 1,437.43

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Solution

The fourth proportional to 5,136.12, 7,703.25 and 1,437.43 is: 2,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.12 : 7,703.25 = 1,437.43 : x
  2. Step 2: Convert to fraction form
    5,136.12/7,703.25 = 1,437.43/x
  3. Step 3: Cross multiply
    5,136.12x = 7,703.25 × 1,437.43
  4. Step 4: Simplify right side
    5,136.12x = 11,072,882.65
  5. Step 5: Solve for x
    x = 11,072,882.65/5,136.12
  6. Step 6: Final answer
    x = 2,155.88

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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.