Home / 7,632.80-11,449.16-2,438.56

Finding the Fourth Proportional to 7,632.80, 11,449.16 and 2,438.56

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Solution

The fourth proportional to 7,632.80, 11,449.16 and 2,438.56 is: 3,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.80 : 11,449.16 = 2,438.56 : x
  2. Step 2: Convert to fraction form
    7,632.80/11,449.16 = 2,438.56/x
  3. Step 3: Cross multiply
    7,632.80x = 11,449.16 × 2,438.56
  4. Step 4: Simplify right side
    7,632.80x = 27,919,463.61
  5. Step 5: Solve for x
    x = 27,919,463.61/7,632.80
  6. Step 6: Final answer
    x = 3,657.83

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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.