Home / 5,831.88-8,047.96-3,179.28

Finding the Fourth Proportional to 5,831.88, 8,047.96 and 3,179.28

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Solution

The fourth proportional to 5,831.88, 8,047.96 and 3,179.28 is: 4,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.88 : 8,047.96 = 3,179.28 : x
  2. Step 2: Convert to fraction form
    5,831.88/8,047.96 = 3,179.28/x
  3. Step 3: Cross multiply
    5,831.88x = 8,047.96 × 3,179.28
  4. Step 4: Simplify right side
    5,831.88x = 25,586,718.27
  5. Step 5: Solve for x
    x = 25,586,718.27/5,831.88
  6. Step 6: Final answer
    x = 4,387.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.