Home / 5,024.40-7,538.40-2,103.60

Finding the Fourth Proportional to 5,024.40, 7,538.40 and 2,103.60

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Solution

The fourth proportional to 5,024.40, 7,538.40 and 2,103.60 is: 3,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,024.40 : 7,538.40 = 2,103.60 : x
  2. Step 2: Convert to fraction form
    5,024.40/7,538.40 = 2,103.60/x
  3. Step 3: Cross multiply
    5,024.40x = 7,538.40 × 2,103.60
  4. Step 4: Simplify right side
    5,024.40x = 15,857,778.24
  5. Step 5: Solve for x
    x = 15,857,778.24/5,024.40
  6. Step 6: Final answer
    x = 3,156.15

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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.