Home / 8,719.38-13,079.27-2,876.45

Finding the Fourth Proportional to 8,719.38, 13,079.27 and 2,876.45

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Solution

The fourth proportional to 8,719.38, 13,079.27 and 2,876.45 is: 4,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.38 : 13,079.27 = 2,876.45 : x
  2. Step 2: Convert to fraction form
    8,719.38/13,079.27 = 2,876.45/x
  3. Step 3: Cross multiply
    8,719.38x = 13,079.27 × 2,876.45
  4. Step 4: Simplify right side
    8,719.38x = 37,621,807.99
  5. Step 5: Solve for x
    x = 37,621,807.99/8,719.38
  6. Step 6: Final answer
    x = 4,314.73

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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.