Home / 4,212.38-6,317.49-1,250.13

Finding the Fourth Proportional to 4,212.38, 6,317.49 and 1,250.13

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Solution

The fourth proportional to 4,212.38, 6,317.49 and 1,250.13 is: 1,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.38 : 6,317.49 = 1,250.13 : x
  2. Step 2: Convert to fraction form
    4,212.38/6,317.49 = 1,250.13/x
  3. Step 3: Cross multiply
    4,212.38x = 6,317.49 × 1,250.13
  4. Step 4: Simplify right side
    4,212.38x = 7,897,683.77
  5. Step 5: Solve for x
    x = 7,897,683.77/4,212.38
  6. Step 6: Final answer
    x = 1,874.87

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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.