Home / 8,158.52-12,239.40-2,963.72

Finding the Fourth Proportional to 8,158.52, 12,239.40 and 2,963.72

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Solution

The fourth proportional to 8,158.52, 12,239.40 and 2,963.72 is: 4,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.52 : 12,239.40 = 2,963.72 : x
  2. Step 2: Convert to fraction form
    8,158.52/12,239.40 = 2,963.72/x
  3. Step 3: Cross multiply
    8,158.52x = 12,239.40 × 2,963.72
  4. Step 4: Simplify right side
    8,158.52x = 36,274,154.57
  5. Step 5: Solve for x
    x = 36,274,154.57/8,158.52
  6. Step 6: Final answer
    x = 4,446.17

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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.