Home / 8,239.40-12,370.12-4,732.92

Finding the Fourth Proportional to 8,239.40, 12,370.12 and 4,732.92

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Solution

The fourth proportional to 8,239.40, 12,370.12 and 4,732.92 is: 7,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.40 : 12,370.12 = 4,732.92 : x
  2. Step 2: Convert to fraction form
    8,239.40/12,370.12 = 4,732.92/x
  3. Step 3: Cross multiply
    8,239.40x = 12,370.12 × 4,732.92
  4. Step 4: Simplify right side
    8,239.40x = 58,546,788.35
  5. Step 5: Solve for x
    x = 58,546,788.35/8,239.40
  6. Step 6: Final answer
    x = 7,105.71

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1.5x scale

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.