Home / 8,414.28-12,621.56-2,570.94

Finding the Fourth Proportional to 8,414.28, 12,621.56 and 2,570.94

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Solution

The fourth proportional to 8,414.28, 12,621.56 and 2,570.94 is: 3,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.28 : 12,621.56 = 2,570.94 : x
  2. Step 2: Convert to fraction form
    8,414.28/12,621.56 = 2,570.94/x
  3. Step 3: Cross multiply
    8,414.28x = 12,621.56 × 2,570.94
  4. Step 4: Simplify right side
    8,414.28x = 32,449,260.61
  5. Step 5: Solve for x
    x = 32,449,260.61/8,414.28
  6. Step 6: Final answer
    x = 3,856.45

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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.