Home / 8,418.22-12,627.36-2,574.82

Finding the Fourth Proportional to 8,418.22, 12,627.36 and 2,574.82

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Solution

The fourth proportional to 8,418.22, 12,627.36 and 2,574.82 is: 3,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.22 : 12,627.36 = 2,574.82 : x
  2. Step 2: Convert to fraction form
    8,418.22/12,627.36 = 2,574.82/x
  3. Step 3: Cross multiply
    8,418.22x = 12,627.36 × 2,574.82
  4. Step 4: Simplify right side
    8,418.22x = 32,513,179.08
  5. Step 5: Solve for x
    x = 32,513,179.08/8,418.22
  6. Step 6: Final answer
    x = 3,862.24

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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.