Home / 4,971.02-7,456.15-2,197.79

Finding the Fourth Proportional to 4,971.02, 7,456.15 and 2,197.79

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Solution

The fourth proportional to 4,971.02, 7,456.15 and 2,197.79 is: 3,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.02 : 7,456.15 = 2,197.79 : x
  2. Step 2: Convert to fraction form
    4,971.02/7,456.15 = 2,197.79/x
  3. Step 3: Cross multiply
    4,971.02x = 7,456.15 × 2,197.79
  4. Step 4: Simplify right side
    4,971.02x = 16,387,003.64
  5. Step 5: Solve for x
    x = 16,387,003.64/4,971.02
  6. Step 6: Final answer
    x = 3,296.51

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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.