Home / 8,885.42-13,334.06-3,691.29

Finding the Fourth Proportional to 8,885.42, 13,334.06 and 3,691.29

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Solution

The fourth proportional to 8,885.42, 13,334.06 and 3,691.29 is: 5,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.42 : 13,334.06 = 3,691.29 : x
  2. Step 2: Convert to fraction form
    8,885.42/13,334.06 = 3,691.29/x
  3. Step 3: Cross multiply
    8,885.42x = 13,334.06 × 3,691.29
  4. Step 4: Simplify right side
    8,885.42x = 49,219,882.34
  5. Step 5: Solve for x
    x = 49,219,882.34/8,885.42
  6. Step 6: Final answer
    x = 5,539.40

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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.