Home / 4,881.32-7,321.19-1,371.57

Finding the Fourth Proportional to 4,881.32, 7,321.19 and 1,371.57

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Solution

The fourth proportional to 4,881.32, 7,321.19 and 1,371.57 is: 2,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.32 : 7,321.19 = 1,371.57 : x
  2. Step 2: Convert to fraction form
    4,881.32/7,321.19 = 1,371.57/x
  3. Step 3: Cross multiply
    4,881.32x = 7,321.19 × 1,371.57
  4. Step 4: Simplify right side
    4,881.32x = 10,041,517.71
  5. Step 5: Solve for x
    x = 10,041,517.71/4,881.32
  6. Step 6: Final answer
    x = 2,057.13

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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.