Home / 4,663.97-6,985.89-2,195.09

Finding the Fourth Proportional to 4,663.97, 6,985.89 and 2,195.09

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Solution

The fourth proportional to 4,663.97, 6,985.89 and 2,195.09 is: 3,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.97 : 6,985.89 = 2,195.09 : x
  2. Step 2: Convert to fraction form
    4,663.97/6,985.89 = 2,195.09/x
  3. Step 3: Cross multiply
    4,663.97x = 6,985.89 × 2,195.09
  4. Step 4: Simplify right side
    4,663.97x = 15,334,657.28
  5. Step 5: Solve for x
    x = 15,334,657.28/4,663.97
  6. Step 6: Final answer
    x = 3,287.90

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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.