Home / 5,197.08-7,796.98-2,731.20

Finding the Fourth Proportional to 5,197.08, 7,796.98 and 2,731.20

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Solution

The fourth proportional to 5,197.08, 7,796.98 and 2,731.20 is: 4,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.08 : 7,796.98 = 2,731.20 : x
  2. Step 2: Convert to fraction form
    5,197.08/7,796.98 = 2,731.20/x
  3. Step 3: Cross multiply
    5,197.08x = 7,796.98 × 2,731.20
  4. Step 4: Simplify right side
    5,197.08x = 21,295,111.78
  5. Step 5: Solve for x
    x = 21,295,111.78/5,197.08
  6. Step 6: Final answer
    x = 4,097.51

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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.