Home / 5,614.83-8,422.26-1,719.21

Finding the Fourth Proportional to 5,614.83, 8,422.26 and 1,719.21

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Solution

The fourth proportional to 5,614.83, 8,422.26 and 1,719.21 is: 2,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.83 : 8,422.26 = 1,719.21 : x
  2. Step 2: Convert to fraction form
    5,614.83/8,422.26 = 1,719.21/x
  3. Step 3: Cross multiply
    5,614.83x = 8,422.26 × 1,719.21
  4. Step 4: Simplify right side
    5,614.83x = 14,479,633.61
  5. Step 5: Solve for x
    x = 14,479,633.61/5,614.83
  6. Step 6: Final answer
    x = 2,578.82

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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.