Home / 5,099.13-7,632.80-3,926.09

Finding the Fourth Proportional to 5,099.13, 7,632.80 and 3,926.09

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Solution

The fourth proportional to 5,099.13, 7,632.80 and 3,926.09 is: 5,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.13 : 7,632.80 = 3,926.09 : x
  2. Step 2: Convert to fraction form
    5,099.13/7,632.80 = 3,926.09/x
  3. Step 3: Cross multiply
    5,099.13x = 7,632.80 × 3,926.09
  4. Step 4: Simplify right side
    5,099.13x = 29,967,079.52
  5. Step 5: Solve for x
    x = 29,967,079.52/5,099.13
  6. Step 6: Final answer
    x = 5,876.90

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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.