Home / 7,589.20-11,387.68-3,693.52

Finding the Fourth Proportional to 7,589.20, 11,387.68 and 3,693.52

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Solution

The fourth proportional to 7,589.20, 11,387.68 and 3,693.52 is: 5,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.20 : 11,387.68 = 3,693.52 : x
  2. Step 2: Convert to fraction form
    7,589.20/11,387.68 = 3,693.52/x
  3. Step 3: Cross multiply
    7,589.20x = 11,387.68 × 3,693.52
  4. Step 4: Simplify right side
    7,589.20x = 42,060,623.83
  5. Step 5: Solve for x
    x = 42,060,623.83/7,589.20
  6. Step 6: Final answer
    x = 5,542.17

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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.