Home / 7,294.28-10,944.48-3,135.20

Finding the Fourth Proportional to 7,294.28, 10,944.48 and 3,135.20

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Solution

The fourth proportional to 7,294.28, 10,944.48 and 3,135.20 is: 4,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.28 : 10,944.48 = 3,135.20 : x
  2. Step 2: Convert to fraction form
    7,294.28/10,944.48 = 3,135.20/x
  3. Step 3: Cross multiply
    7,294.28x = 10,944.48 × 3,135.20
  4. Step 4: Simplify right side
    7,294.28x = 34,313,133.70
  5. Step 5: Solve for x
    x = 34,313,133.70/7,294.28
  6. Step 6: Final answer
    x = 4,704.12

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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.