Home / 8,719.62-13,077.45-2,479.49

Finding the Fourth Proportional to 8,719.62, 13,077.45 and 2,479.49

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Solution

The fourth proportional to 8,719.62, 13,077.45 and 2,479.49 is: 3,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.62 : 13,077.45 = 2,479.49 : x
  2. Step 2: Convert to fraction form
    8,719.62/13,077.45 = 2,479.49/x
  3. Step 3: Cross multiply
    8,719.62x = 13,077.45 × 2,479.49
  4. Step 4: Simplify right side
    8,719.62x = 32,425,341.11
  5. Step 5: Solve for x
    x = 32,425,341.11/8,719.62
  6. Step 6: Final answer
    x = 3,718.66

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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.