Home / 8,862.13-13,289.14-2,619.92

Finding the Fourth Proportional to 8,862.13, 13,289.14 and 2,619.92

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Solution

The fourth proportional to 8,862.13, 13,289.14 and 2,619.92 is: 3,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.13 : 13,289.14 = 2,619.92 : x
  2. Step 2: Convert to fraction form
    8,862.13/13,289.14 = 2,619.92/x
  3. Step 3: Cross multiply
    8,862.13x = 13,289.14 × 2,619.92
  4. Step 4: Simplify right side
    8,862.13x = 34,816,475.42
  5. Step 5: Solve for x
    x = 34,816,475.42/8,862.13
  6. Step 6: Final answer
    x = 3,928.68

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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.