Home / 8,314.20-12,471.30-5,722.20

Finding the Fourth Proportional to 8,314.20, 12,471.30 and 5,722.20

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Solution

The fourth proportional to 8,314.20, 12,471.30 and 5,722.20 is: 8,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.20 : 12,471.30 = 5,722.20 : x
  2. Step 2: Convert to fraction form
    8,314.20/12,471.30 = 5,722.20/x
  3. Step 3: Cross multiply
    8,314.20x = 12,471.30 × 5,722.20
  4. Step 4: Simplify right side
    8,314.20x = 71,363,272.86
  5. Step 5: Solve for x
    x = 71,363,272.86/8,314.20
  6. Step 6: Final answer
    x = 8,583.30

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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.