Home / 7,490.91-11,233.92-3,541.62

Finding the Fourth Proportional to 7,490.91, 11,233.92 and 3,541.62

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Solution

The fourth proportional to 7,490.91, 11,233.92 and 3,541.62 is: 5,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.91 : 11,233.92 = 3,541.62 : x
  2. Step 2: Convert to fraction form
    7,490.91/11,233.92 = 3,541.62/x
  3. Step 3: Cross multiply
    7,490.91x = 11,233.92 × 3,541.62
  4. Step 4: Simplify right side
    7,490.91x = 39,786,275.75
  5. Step 5: Solve for x
    x = 39,786,275.75/7,490.91
  6. Step 6: Final answer
    x = 5,311.27

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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.