Home / 8,471.13-12,708.45-2,924.70

Finding the Fourth Proportional to 8,471.13, 12,708.45 and 2,924.70

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Solution

The fourth proportional to 8,471.13, 12,708.45 and 2,924.70 is: 4,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.13 : 12,708.45 = 2,924.70 : x
  2. Step 2: Convert to fraction form
    8,471.13/12,708.45 = 2,924.70/x
  3. Step 3: Cross multiply
    8,471.13x = 12,708.45 × 2,924.70
  4. Step 4: Simplify right side
    8,471.13x = 37,168,403.72
  5. Step 5: Solve for x
    x = 37,168,403.72/8,471.13
  6. Step 6: Final answer
    x = 4,387.66

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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.