Home / 8,113.44-12,165.50-3,177.30

Finding the Fourth Proportional to 8,113.44, 12,165.50 and 3,177.30

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Solution

The fourth proportional to 8,113.44, 12,165.50 and 3,177.30 is: 4,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.44 : 12,165.50 = 3,177.30 : x
  2. Step 2: Convert to fraction form
    8,113.44/12,165.50 = 3,177.30/x
  3. Step 3: Cross multiply
    8,113.44x = 12,165.50 × 3,177.30
  4. Step 4: Simplify right side
    8,113.44x = 38,653,443.15
  5. Step 5: Solve for x
    x = 38,653,443.15/8,113.44
  6. Step 6: Final answer
    x = 4,764.13

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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.