Home / 8,719.52-13,080.10-2,876.18

Finding the Fourth Proportional to 8,719.52, 13,080.10 and 2,876.18

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Solution

The fourth proportional to 8,719.52, 13,080.10 and 2,876.18 is: 4,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.52 : 13,080.10 = 2,876.18 : x
  2. Step 2: Convert to fraction form
    8,719.52/13,080.10 = 2,876.18/x
  3. Step 3: Cross multiply
    8,719.52x = 13,080.10 × 2,876.18
  4. Step 4: Simplify right side
    8,719.52x = 37,620,722.02
  5. Step 5: Solve for x
    x = 37,620,722.02/8,719.52
  6. Step 6: Final answer
    x = 4,314.54

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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.