Home / 8,874.30-12,239.01-5,336.85

Finding the Fourth Proportional to 8,874.30, 12,239.01 and 5,336.85

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Solution

The fourth proportional to 8,874.30, 12,239.01 and 5,336.85 is: 7,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.30 : 12,239.01 = 5,336.85 : x
  2. Step 2: Convert to fraction form
    8,874.30/12,239.01 = 5,336.85/x
  3. Step 3: Cross multiply
    8,874.30x = 12,239.01 × 5,336.85
  4. Step 4: Simplify right side
    8,874.30x = 65,317,760.52
  5. Step 5: Solve for x
    x = 65,317,760.52/8,874.30
  6. Step 6: Final answer
    x = 7,360.33

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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.