Home / 8,871.24-13,306.78-2,631.26

Finding the Fourth Proportional to 8,871.24, 13,306.78 and 2,631.26

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Solution

The fourth proportional to 8,871.24, 13,306.78 and 2,631.26 is: 3,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.24 : 13,306.78 = 2,631.26 : x
  2. Step 2: Convert to fraction form
    8,871.24/13,306.78 = 2,631.26/x
  3. Step 3: Cross multiply
    8,871.24x = 13,306.78 × 2,631.26
  4. Step 4: Simplify right side
    8,871.24x = 35,013,597.94
  5. Step 5: Solve for x
    x = 35,013,597.94/8,871.24
  6. Step 6: Final answer
    x = 3,946.87

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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.