Home / 8,131.17-12,177.27-4,172.01

Finding the Fourth Proportional to 8,131.17, 12,177.27 and 4,172.01

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Solution

The fourth proportional to 8,131.17, 12,177.27 and 4,172.01 is: 6,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.17 : 12,177.27 = 4,172.01 : x
  2. Step 2: Convert to fraction form
    8,131.17/12,177.27 = 4,172.01/x
  3. Step 3: Cross multiply
    8,131.17x = 12,177.27 × 4,172.01
  4. Step 4: Simplify right side
    8,131.17x = 50,803,715.05
  5. Step 5: Solve for x
    x = 50,803,715.05/8,131.17
  6. Step 6: Final answer
    x = 6,248.02

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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.