Home / 5,831.31-8,747.85-1,881.25

Finding the Fourth Proportional to 5,831.31, 8,747.85 and 1,881.25

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Solution

The fourth proportional to 5,831.31, 8,747.85 and 1,881.25 is: 2,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.31 : 8,747.85 = 1,881.25 : x
  2. Step 2: Convert to fraction form
    5,831.31/8,747.85 = 1,881.25/x
  3. Step 3: Cross multiply
    5,831.31x = 8,747.85 × 1,881.25
  4. Step 4: Simplify right side
    5,831.31x = 16,456,892.81
  5. Step 5: Solve for x
    x = 16,456,892.81/5,831.31
  6. Step 6: Final answer
    x = 2,822.16

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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.