Home / 8,934.09-13,401.33-3,390.04

Finding the Fourth Proportional to 8,934.09, 13,401.33 and 3,390.04

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Solution

The fourth proportional to 8,934.09, 13,401.33 and 3,390.04 is: 5,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.09 : 13,401.33 = 3,390.04 : x
  2. Step 2: Convert to fraction form
    8,934.09/13,401.33 = 3,390.04/x
  3. Step 3: Cross multiply
    8,934.09x = 13,401.33 × 3,390.04
  4. Step 4: Simplify right side
    8,934.09x = 45,431,044.75
  5. Step 5: Solve for x
    x = 45,431,044.75/8,934.09
  6. Step 6: Final answer
    x = 5,085.14

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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.