Home / 5,726.22-8,589.45-3,123.66

Finding the Fourth Proportional to 5,726.22, 8,589.45 and 3,123.66

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Solution

The fourth proportional to 5,726.22, 8,589.45 and 3,123.66 is: 4,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.22 : 8,589.45 = 3,123.66 : x
  2. Step 2: Convert to fraction form
    5,726.22/8,589.45 = 3,123.66/x
  3. Step 3: Cross multiply
    5,726.22x = 8,589.45 × 3,123.66
  4. Step 4: Simplify right side
    5,726.22x = 26,830,521.39
  5. Step 5: Solve for x
    x = 26,830,521.39/5,726.22
  6. Step 6: Final answer
    x = 4,685.56

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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.