Home / 4,947.18-7,422.29-2,025.71

Finding the Fourth Proportional to 4,947.18, 7,422.29 and 2,025.71

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Solution

The fourth proportional to 4,947.18, 7,422.29 and 2,025.71 is: 3,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.18 : 7,422.29 = 2,025.71 : x
  2. Step 2: Convert to fraction form
    4,947.18/7,422.29 = 2,025.71/x
  3. Step 3: Cross multiply
    4,947.18x = 7,422.29 × 2,025.71
  4. Step 4: Simplify right side
    4,947.18x = 15,035,395.27
  5. Step 5: Solve for x
    x = 15,035,395.27/4,947.18
  6. Step 6: Final answer
    x = 3,039.19

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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.