Home / 8,156.31-12,220.52-4,461.18

Finding the Fourth Proportional to 8,156.31, 12,220.52 and 4,461.18

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Solution

The fourth proportional to 8,156.31, 12,220.52 and 4,461.18 is: 6,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.31 : 12,220.52 = 4,461.18 : x
  2. Step 2: Convert to fraction form
    8,156.31/12,220.52 = 4,461.18/x
  3. Step 3: Cross multiply
    8,156.31x = 12,220.52 × 4,461.18
  4. Step 4: Simplify right side
    8,156.31x = 54,517,917.11
  5. Step 5: Solve for x
    x = 54,517,917.11/8,156.31
  6. Step 6: Final answer
    x = 6,684.14

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1.5x scale

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.