Home / 7,732.40-11,589.10-3,047.71

Finding the Fourth Proportional to 7,732.40, 11,589.10 and 3,047.71

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Solution

The fourth proportional to 7,732.40, 11,589.10 and 3,047.71 is: 4,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.40 : 11,589.10 = 3,047.71 : x
  2. Step 2: Convert to fraction form
    7,732.40/11,589.10 = 3,047.71/x
  3. Step 3: Cross multiply
    7,732.40x = 11,589.10 × 3,047.71
  4. Step 4: Simplify right side
    7,732.40x = 35,320,179.37
  5. Step 5: Solve for x
    x = 35,320,179.37/7,732.40
  6. Step 6: Final answer
    x = 4,567.82

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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.