Home / 5,125.53-7,683.68-1,837.85

Finding the Fourth Proportional to 5,125.53, 7,683.68 and 1,837.85

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Solution

The fourth proportional to 5,125.53, 7,683.68 and 1,837.85 is: 2,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.53 : 7,683.68 = 1,837.85 : x
  2. Step 2: Convert to fraction form
    5,125.53/7,683.68 = 1,837.85/x
  3. Step 3: Cross multiply
    5,125.53x = 7,683.68 × 1,837.85
  4. Step 4: Simplify right side
    5,125.53x = 14,121,451.29
  5. Step 5: Solve for x
    x = 14,121,451.29/5,125.53
  6. Step 6: Final answer
    x = 2,755.12

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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.