Home / 8,922.12-13,386.10-3,375.92

Finding the Fourth Proportional to 8,922.12, 13,386.10 and 3,375.92

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Solution

The fourth proportional to 8,922.12, 13,386.10 and 3,375.92 is: 5,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.12 : 13,386.10 = 3,375.92 : x
  2. Step 2: Convert to fraction form
    8,922.12/13,386.10 = 3,375.92/x
  3. Step 3: Cross multiply
    8,922.12x = 13,386.10 × 3,375.92
  4. Step 4: Simplify right side
    8,922.12x = 45,190,402.71
  5. Step 5: Solve for x
    x = 45,190,402.71/8,922.12
  6. Step 6: Final answer
    x = 5,064.98

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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.