Home / 8,722.27-13,084.22-2,878.93

Finding the Fourth Proportional to 8,722.27, 13,084.22 and 2,878.93

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Solution

The fourth proportional to 8,722.27, 13,084.22 and 2,878.93 is: 4,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.27 : 13,084.22 = 2,878.93 : x
  2. Step 2: Convert to fraction form
    8,722.27/13,084.22 = 2,878.93/x
  3. Step 3: Cross multiply
    8,722.27x = 13,084.22 × 2,878.93
  4. Step 4: Simplify right side
    8,722.27x = 37,668,553.48
  5. Step 5: Solve for x
    x = 37,668,553.48/8,722.27
  6. Step 6: Final answer
    x = 4,318.66

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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.