Home / 7,490.40-11,234.70-4,372.17

Finding the Fourth Proportional to 7,490.40, 11,234.70 and 4,372.17

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Solution

The fourth proportional to 7,490.40, 11,234.70 and 4,372.17 is: 6,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.40 : 11,234.70 = 4,372.17 : x
  2. Step 2: Convert to fraction form
    7,490.40/11,234.70 = 4,372.17/x
  3. Step 3: Cross multiply
    7,490.40x = 11,234.70 × 4,372.17
  4. Step 4: Simplify right side
    7,490.40x = 49,120,018.30
  5. Step 5: Solve for x
    x = 49,120,018.30/7,490.40
  6. Step 6: Final answer
    x = 6,557.73

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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.