Home / 5,726.66-8,589.45-1,830.02

Finding the Fourth Proportional to 5,726.66, 8,589.45 and 1,830.02

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Solution

The fourth proportional to 5,726.66, 8,589.45 and 1,830.02 is: 2,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.66 : 8,589.45 = 1,830.02 : x
  2. Step 2: Convert to fraction form
    5,726.66/8,589.45 = 1,830.02/x
  3. Step 3: Cross multiply
    5,726.66x = 8,589.45 × 1,830.02
  4. Step 4: Simplify right side
    5,726.66x = 15,718,865.29
  5. Step 5: Solve for x
    x = 15,718,865.29/5,726.66
  6. Step 6: Final answer
    x = 2,744.86

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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.