Home / 5,679.13-8,519.04-2,392.49

Finding the Fourth Proportional to 5,679.13, 8,519.04 and 2,392.49

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Solution

The fourth proportional to 5,679.13, 8,519.04 and 2,392.49 is: 3,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.13 : 8,519.04 = 2,392.49 : x
  2. Step 2: Convert to fraction form
    5,679.13/8,519.04 = 2,392.49/x
  3. Step 3: Cross multiply
    5,679.13x = 8,519.04 × 2,392.49
  4. Step 4: Simplify right side
    5,679.13x = 20,381,691.39
  5. Step 5: Solve for x
    x = 20,381,691.39/5,679.13
  6. Step 6: Final answer
    x = 3,588.88

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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.