Home / 5,147.26-7,717.10-2,549.60

Finding the Fourth Proportional to 5,147.26, 7,717.10 and 2,549.60

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Solution

The fourth proportional to 5,147.26, 7,717.10 and 2,549.60 is: 3,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.26 : 7,717.10 = 2,549.60 : x
  2. Step 2: Convert to fraction form
    5,147.26/7,717.10 = 2,549.60/x
  3. Step 3: Cross multiply
    5,147.26x = 7,717.10 × 2,549.60
  4. Step 4: Simplify right side
    5,147.26x = 19,675,518.16
  5. Step 5: Solve for x
    x = 19,675,518.16/5,147.26
  6. Step 6: Final answer
    x = 3,822.52

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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.