Home / 8,418.27-12,626.94-2,574.87

Finding the Fourth Proportional to 8,418.27, 12,626.94 and 2,574.87

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Solution

The fourth proportional to 8,418.27, 12,626.94 and 2,574.87 is: 3,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.27 : 12,626.94 = 2,574.87 : x
  2. Step 2: Convert to fraction form
    8,418.27/12,626.94 = 2,574.87/x
  3. Step 3: Cross multiply
    8,418.27x = 12,626.94 × 2,574.87
  4. Step 4: Simplify right side
    8,418.27x = 32,512,729.00
  5. Step 5: Solve for x
    x = 32,512,729.00/8,418.27
  6. Step 6: Final answer
    x = 3,862.16

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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.