Home / 5,411.26-8,117.20-1,515.97

Finding the Fourth Proportional to 5,411.26, 8,117.20 and 1,515.97

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Solution

The fourth proportional to 5,411.26, 8,117.20 and 1,515.97 is: 2,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.26 : 8,117.20 = 1,515.97 : x
  2. Step 2: Convert to fraction form
    5,411.26/8,117.20 = 1,515.97/x
  3. Step 3: Cross multiply
    5,411.26x = 8,117.20 × 1,515.97
  4. Step 4: Simplify right side
    5,411.26x = 12,305,424.10
  5. Step 5: Solve for x
    x = 12,305,424.10/5,411.26
  6. Step 6: Final answer
    x = 2,274.04

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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.