Home / 8,131.17-12,197.10-3,966.22

Finding the Fourth Proportional to 8,131.17, 12,197.10 and 3,966.22

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Solution

The fourth proportional to 8,131.17, 12,197.10 and 3,966.22 is: 5,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.17 : 12,197.10 = 3,966.22 : x
  2. Step 2: Convert to fraction form
    8,131.17/12,197.10 = 3,966.22/x
  3. Step 3: Cross multiply
    8,131.17x = 12,197.10 × 3,966.22
  4. Step 4: Simplify right side
    8,131.17x = 48,376,381.96
  5. Step 5: Solve for x
    x = 48,376,381.96/8,131.17
  6. Step 6: Final answer
    x = 5,949.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,132.17, 12,198.60 and 3,967.22
Similar ratio
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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.