Home / 5,411.25-8,115.48-2,448

Finding the Fourth Proportional to 5,411.25, 8,115.48 and 2,448

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Solution

The fourth proportional to 5,411.25, 8,115.48 and 2,448 is: 3,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.25 : 8,115.48 = 2,448 : x
  2. Step 2: Convert to fraction form
    5,411.25/8,115.48 = 2,448/x
  3. Step 3: Cross multiply
    5,411.25x = 8,115.48 × 2,448
  4. Step 4: Simplify right side
    5,411.25x = 19,866,695.04
  5. Step 5: Solve for x
    x = 19,866,695.04/5,411.25
  6. Step 6: Final answer
    x = 3,671.37

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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.