Home / 7,565.46-11,340.45-2,631.05

Finding the Fourth Proportional to 7,565.46, 11,340.45 and 2,631.05

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Solution

The fourth proportional to 7,565.46, 11,340.45 and 2,631.05 is: 3,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.46 : 11,340.45 = 2,631.05 : x
  2. Step 2: Convert to fraction form
    7,565.46/11,340.45 = 2,631.05/x
  3. Step 3: Cross multiply
    7,565.46x = 11,340.45 × 2,631.05
  4. Step 4: Simplify right side
    7,565.46x = 29,837,290.97
  5. Step 5: Solve for x
    x = 29,837,290.97/7,565.46
  6. Step 6: Final answer
    x = 3,943.88

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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.