Home / 8,722.62-13,085.01-2,877.66

Finding the Fourth Proportional to 8,722.62, 13,085.01 and 2,877.66

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Solution

The fourth proportional to 8,722.62, 13,085.01 and 2,877.66 is: 4,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.62 : 13,085.01 = 2,877.66 : x
  2. Step 2: Convert to fraction form
    8,722.62/13,085.01 = 2,877.66/x
  3. Step 3: Cross multiply
    8,722.62x = 13,085.01 × 2,877.66
  4. Step 4: Simplify right side
    8,722.62x = 37,654,209.88
  5. Step 5: Solve for x
    x = 37,654,209.88/8,722.62
  6. Step 6: Final answer
    x = 4,316.85

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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.