Home / 7,419.38-10,239.89-4,232.68

Finding the Fourth Proportional to 7,419.38, 10,239.89 and 4,232.68

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Solution

The fourth proportional to 7,419.38, 10,239.89 and 4,232.68 is: 5,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.38 : 10,239.89 = 4,232.68 : x
  2. Step 2: Convert to fraction form
    7,419.38/10,239.89 = 4,232.68/x
  3. Step 3: Cross multiply
    7,419.38x = 10,239.89 × 4,232.68
  4. Step 4: Simplify right side
    7,419.38x = 43,342,177.61
  5. Step 5: Solve for x
    x = 43,342,177.61/7,419.38
  6. Step 6: Final answer
    x = 5,841.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.