Home / 8,118.12-12,177.20-2,924

Finding the Fourth Proportional to 8,118.12, 12,177.20 and 2,924

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Solution

The fourth proportional to 8,118.12, 12,177.20 and 2,924 is: 4,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.12 : 12,177.20 = 2,924 : x
  2. Step 2: Convert to fraction form
    8,118.12/12,177.20 = 2,924/x
  3. Step 3: Cross multiply
    8,118.12x = 12,177.20 × 2,924
  4. Step 4: Simplify right side
    8,118.12x = 35,606,132.80
  5. Step 5: Solve for x
    x = 35,606,132.80/8,118.12
  6. Step 6: Final answer
    x = 4,386.01

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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.