Home / 8,414.22-12,621.37-2,570.82

Finding the Fourth Proportional to 8,414.22, 12,621.37 and 2,570.82

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Solution

The fourth proportional to 8,414.22, 12,621.37 and 2,570.82 is: 3,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.22 : 12,621.37 = 2,570.82 : x
  2. Step 2: Convert to fraction form
    8,414.22/12,621.37 = 2,570.82/x
  3. Step 3: Cross multiply
    8,414.22x = 12,621.37 × 2,570.82
  4. Step 4: Simplify right side
    8,414.22x = 32,447,270.42
  5. Step 5: Solve for x
    x = 32,447,270.42/8,414.22
  6. Step 6: Final answer
    x = 3,856.24

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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.