Home / 8,239.38-11,373.39-5,581.50

Finding the Fourth Proportional to 8,239.38, 11,373.39 and 5,581.50

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Solution

The fourth proportional to 8,239.38, 11,373.39 and 5,581.50 is: 7,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.38 : 11,373.39 = 5,581.50 : x
  2. Step 2: Convert to fraction form
    8,239.38/11,373.39 = 5,581.50/x
  3. Step 3: Cross multiply
    8,239.38x = 11,373.39 × 5,581.50
  4. Step 4: Simplify right side
    8,239.38x = 63,480,576.29
  5. Step 5: Solve for x
    x = 63,480,576.29/8,239.38
  6. Step 6: Final answer
    x = 7,704.53

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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.