Home / 5,728.05-8,589.24-1,831.95

Finding the Fourth Proportional to 5,728.05, 8,589.24 and 1,831.95

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Solution

The fourth proportional to 5,728.05, 8,589.24 and 1,831.95 is: 2,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.05 : 8,589.24 = 1,831.95 : x
  2. Step 2: Convert to fraction form
    5,728.05/8,589.24 = 1,831.95/x
  3. Step 3: Cross multiply
    5,728.05x = 8,589.24 × 1,831.95
  4. Step 4: Simplify right side
    5,728.05x = 15,735,058.22
  5. Step 5: Solve for x
    x = 15,735,058.22/5,728.05
  6. Step 6: Final answer
    x = 2,747.02

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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.