Home / 5,197.90-7,794.08-2,272.78

Finding the Fourth Proportional to 5,197.90, 7,794.08 and 2,272.78

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Solution

The fourth proportional to 5,197.90, 7,794.08 and 2,272.78 is: 3,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.90 : 7,794.08 = 2,272.78 : x
  2. Step 2: Convert to fraction form
    5,197.90/7,794.08 = 2,272.78/x
  3. Step 3: Cross multiply
    5,197.90x = 7,794.08 × 2,272.78
  4. Step 4: Simplify right side
    5,197.90x = 17,714,229.14
  5. Step 5: Solve for x
    x = 17,714,229.14/5,197.90
  6. Step 6: Final answer
    x = 3,407.96

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1.5x scale

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.