Home / 5,618.26-8,414.63-3,422.15

Finding the Fourth Proportional to 5,618.26, 8,414.63 and 3,422.15

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Solution

The fourth proportional to 5,618.26, 8,414.63 and 3,422.15 is: 5,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.26 : 8,414.63 = 3,422.15 : x
  2. Step 2: Convert to fraction form
    5,618.26/8,414.63 = 3,422.15/x
  3. Step 3: Cross multiply
    5,618.26x = 8,414.63 × 3,422.15
  4. Step 4: Simplify right side
    5,618.26x = 28,796,126.05
  5. Step 5: Solve for x
    x = 28,796,126.05/5,618.26
  6. Step 6: Final answer
    x = 5,125.45

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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.