Home / 5,170.28-7,749.08-2,393.20

Finding the Fourth Proportional to 5,170.28, 7,749.08 and 2,393.20

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Solution

The fourth proportional to 5,170.28, 7,749.08 and 2,393.20 is: 3,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.28 : 7,749.08 = 2,393.20 : x
  2. Step 2: Convert to fraction form
    5,170.28/7,749.08 = 2,393.20/x
  3. Step 3: Cross multiply
    5,170.28x = 7,749.08 × 2,393.20
  4. Step 4: Simplify right side
    5,170.28x = 18,545,098.26
  5. Step 5: Solve for x
    x = 18,545,098.26/5,170.28
  6. Step 6: Final answer
    x = 3,586.87

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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.