Home / 5,148.26-7,718.60-2,550.60

Finding the Fourth Proportional to 5,148.26, 7,718.60 and 2,550.60

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Solution

The fourth proportional to 5,148.26, 7,718.60 and 2,550.60 is: 3,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.26 : 7,718.60 = 2,550.60 : x
  2. Step 2: Convert to fraction form
    5,148.26/7,718.60 = 2,550.60/x
  3. Step 3: Cross multiply
    5,148.26x = 7,718.60 × 2,550.60
  4. Step 4: Simplify right side
    5,148.26x = 19,687,061.16
  5. Step 5: Solve for x
    x = 19,687,061.16/5,148.26
  6. Step 6: Final answer
    x = 3,824.02

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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.