Home / 6,401.28-8,834.70-3,749.52

Finding the Fourth Proportional to 6,401.28, 8,834.70 and 3,749.52

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Solution

The fourth proportional to 6,401.28, 8,834.70 and 3,749.52 is: 5,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.28 : 8,834.70 = 3,749.52 : x
  2. Step 2: Convert to fraction form
    6,401.28/8,834.70 = 3,749.52/x
  3. Step 3: Cross multiply
    6,401.28x = 8,834.70 × 3,749.52
  4. Step 4: Simplify right side
    6,401.28x = 33,125,884.34
  5. Step 5: Solve for x
    x = 33,125,884.34/6,401.28
  6. Step 6: Final answer
    x = 5,174.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.