Home / 8,116.31-12,165.24-3,433.40

Finding the Fourth Proportional to 8,116.31, 12,165.24 and 3,433.40

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Solution

The fourth proportional to 8,116.31, 12,165.24 and 3,433.40 is: 5,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.31 : 12,165.24 = 3,433.40 : x
  2. Step 2: Convert to fraction form
    8,116.31/12,165.24 = 3,433.40/x
  3. Step 3: Cross multiply
    8,116.31x = 12,165.24 × 3,433.40
  4. Step 4: Simplify right side
    8,116.31x = 41,768,155.49
  5. Step 5: Solve for x
    x = 41,768,155.49/8,116.31
  6. Step 6: Final answer
    x = 5,146.20

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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.