Home / 8,949.28-13,421.84-3,403.28

Finding the Fourth Proportional to 8,949.28, 13,421.84 and 3,403.28

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Solution

The fourth proportional to 8,949.28, 13,421.84 and 3,403.28 is: 5,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.28 : 13,421.84 = 3,403.28 : x
  2. Step 2: Convert to fraction form
    8,949.28/13,421.84 = 3,403.28/x
  3. Step 3: Cross multiply
    8,949.28x = 13,421.84 × 3,403.28
  4. Step 4: Simplify right side
    8,949.28x = 45,678,279.64
  5. Step 5: Solve for x
    x = 45,678,279.64/8,949.28
  6. Step 6: Final answer
    x = 5,104.13

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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.