Home / 8,989.26-13,475.18-3,438.33

Finding the Fourth Proportional to 8,989.26, 13,475.18 and 3,438.33

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Solution

The fourth proportional to 8,989.26, 13,475.18 and 3,438.33 is: 5,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.26 : 13,475.18 = 3,438.33 : x
  2. Step 2: Convert to fraction form
    8,989.26/13,475.18 = 3,438.33/x
  3. Step 3: Cross multiply
    8,989.26x = 13,475.18 × 3,438.33
  4. Step 4: Simplify right side
    8,989.26x = 46,332,098.46
  5. Step 5: Solve for x
    x = 46,332,098.46/8,989.26
  6. Step 6: Final answer
    x = 5,154.16

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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.