Home / 8,639.46-11,923.00-4,862.97

Finding the Fourth Proportional to 8,639.46, 11,923.00 and 4,862.97

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Solution

The fourth proportional to 8,639.46, 11,923.00 and 4,862.97 is: 6,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.46 : 11,923.00 = 4,862.97 : x
  2. Step 2: Convert to fraction form
    8,639.46/11,923.00 = 4,862.97/x
  3. Step 3: Cross multiply
    8,639.46x = 11,923.00 × 4,862.97
  4. Step 4: Simplify right side
    8,639.46x = 57,981,179.15
  5. Step 5: Solve for x
    x = 57,981,179.15/8,639.46
  6. Step 6: Final answer
    x = 6,711.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.