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Finding the Fourth Proportional to 8,622.50, 12,934.98 and 4,462.97

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Solution

The fourth proportional to 8,622.50, 12,934.98 and 4,462.97 is: 6,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.50 : 12,934.98 = 4,462.97 : x
  2. Step 2: Convert to fraction form
    8,622.50/12,934.98 = 4,462.97/x
  3. Step 3: Cross multiply
    8,622.50x = 12,934.98 × 4,462.97
  4. Step 4: Simplify right side
    8,622.50x = 57,728,363.02
  5. Step 5: Solve for x
    x = 57,728,363.02/8,622.50
  6. Step 6: Final answer
    x = 6,695.09

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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.