Home / 8,279.07-12,418.61-5,824.86

Finding the Fourth Proportional to 8,279.07, 12,418.61 and 5,824.86

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Solution

The fourth proportional to 8,279.07, 12,418.61 and 5,824.86 is: 8,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.07 : 12,418.61 = 5,824.86 : x
  2. Step 2: Convert to fraction form
    8,279.07/12,418.61 = 5,824.86/x
  3. Step 3: Cross multiply
    8,279.07x = 12,418.61 × 5,824.86
  4. Step 4: Simplify right side
    8,279.07x = 72,336,635.52
  5. Step 5: Solve for x
    x = 72,336,635.52/8,279.07
  6. Step 6: Final answer
    x = 8,737.29

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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.