Home / 8,929.68-13,394.22-3,381.36

Finding the Fourth Proportional to 8,929.68, 13,394.22 and 3,381.36

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Solution

The fourth proportional to 8,929.68, 13,394.22 and 3,381.36 is: 5,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.68 : 13,394.22 = 3,381.36 : x
  2. Step 2: Convert to fraction form
    8,929.68/13,394.22 = 3,381.36/x
  3. Step 3: Cross multiply
    8,929.68x = 13,394.22 × 3,381.36
  4. Step 4: Simplify right side
    8,929.68x = 45,290,679.74
  5. Step 5: Solve for x
    x = 45,290,679.74/8,929.68
  6. Step 6: Final answer
    x = 5,071.93

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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.