Home / 8,418.19-12,627.79-2,574.85

Finding the Fourth Proportional to 8,418.19, 12,627.79 and 2,574.85

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Solution

The fourth proportional to 8,418.19, 12,627.79 and 2,574.85 is: 3,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.19 : 12,627.79 = 2,574.85 : x
  2. Step 2: Convert to fraction form
    8,418.19/12,627.79 = 2,574.85/x
  3. Step 3: Cross multiply
    8,418.19x = 12,627.79 × 2,574.85
  4. Step 4: Simplify right side
    8,418.19x = 32,514,627.07
  5. Step 5: Solve for x
    x = 32,514,627.07/8,418.19
  6. Step 6: Final answer
    x = 3,862.43

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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.