Home / 5,425.23-8,135.15-1,726.98

Finding the Fourth Proportional to 5,425.23, 8,135.15 and 1,726.98

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Solution

The fourth proportional to 5,425.23, 8,135.15 and 1,726.98 is: 2,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.23 : 8,135.15 = 1,726.98 : x
  2. Step 2: Convert to fraction form
    5,425.23/8,135.15 = 1,726.98/x
  3. Step 3: Cross multiply
    5,425.23x = 8,135.15 × 1,726.98
  4. Step 4: Simplify right side
    5,425.23x = 14,049,229.33
  5. Step 5: Solve for x
    x = 14,049,229.33/5,425.23
  6. Step 6: Final answer
    x = 2,589.61

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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.