Home / 8,651.11-12,974.68-3,386.25

Finding the Fourth Proportional to 8,651.11, 12,974.68 and 3,386.25

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Solution

The fourth proportional to 8,651.11, 12,974.68 and 3,386.25 is: 5,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.11 : 12,974.68 = 3,386.25 : x
  2. Step 2: Convert to fraction form
    8,651.11/12,974.68 = 3,386.25/x
  3. Step 3: Cross multiply
    8,651.11x = 12,974.68 × 3,386.25
  4. Step 4: Simplify right side
    8,651.11x = 43,935,510.15
  5. Step 5: Solve for x
    x = 43,935,510.15/8,651.11
  6. Step 6: Final answer
    x = 5,078.60

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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.