Home / 8,882.40-13,325.49-2,642.43

Finding the Fourth Proportional to 8,882.40, 13,325.49 and 2,642.43

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Solution

The fourth proportional to 8,882.40, 13,325.49 and 2,642.43 is: 3,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.40 : 13,325.49 = 2,642.43 : x
  2. Step 2: Convert to fraction form
    8,882.40/13,325.49 = 2,642.43/x
  3. Step 3: Cross multiply
    8,882.40x = 13,325.49 × 2,642.43
  4. Step 4: Simplify right side
    8,882.40x = 35,211,674.54
  5. Step 5: Solve for x
    x = 35,211,674.54/8,882.40
  6. Step 6: Final answer
    x = 3,964.21

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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.