Home / 7,490.20-11,233.27-2,225.20

Finding the Fourth Proportional to 7,490.20, 11,233.27 and 2,225.20

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Solution

The fourth proportional to 7,490.20, 11,233.27 and 2,225.20 is: 3,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.20 : 11,233.27 = 2,225.20 : x
  2. Step 2: Convert to fraction form
    7,490.20/11,233.27 = 2,225.20/x
  3. Step 3: Cross multiply
    7,490.20x = 11,233.27 × 2,225.20
  4. Step 4: Simplify right side
    7,490.20x = 24,996,272.40
  5. Step 5: Solve for x
    x = 24,996,272.40/7,490.20
  6. Step 6: Final answer
    x = 3,337.20

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Double scale
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1.5x scale

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.