Home / 4,659.38-6,989.34-1,372.58

Finding the Fourth Proportional to 4,659.38, 6,989.34 and 1,372.58

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Solution

The fourth proportional to 4,659.38, 6,989.34 and 1,372.58 is: 2,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.38 : 6,989.34 = 1,372.58 : x
  2. Step 2: Convert to fraction form
    4,659.38/6,989.34 = 1,372.58/x
  3. Step 3: Cross multiply
    4,659.38x = 6,989.34 × 1,372.58
  4. Step 4: Simplify right side
    4,659.38x = 9,593,428.30
  5. Step 5: Solve for x
    x = 9,593,428.30/4,659.38
  6. Step 6: Final answer
    x = 2,058.95

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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.