Home / 4,553.10-6,831.29-1,781.76

Finding the Fourth Proportional to 4,553.10, 6,831.29 and 1,781.76

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Solution

The fourth proportional to 4,553.10, 6,831.29 and 1,781.76 is: 2,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.10 : 6,831.29 = 1,781.76 : x
  2. Step 2: Convert to fraction form
    4,553.10/6,831.29 = 1,781.76/x
  3. Step 3: Cross multiply
    4,553.10x = 6,831.29 × 1,781.76
  4. Step 4: Simplify right side
    4,553.10x = 12,171,719.27
  5. Step 5: Solve for x
    x = 12,171,719.27/4,553.10
  6. Step 6: Final answer
    x = 2,673.28

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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.