Home / 4,417.97-6,618.20-2,663.43

Finding the Fourth Proportional to 4,417.97, 6,618.20 and 2,663.43

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Solution

The fourth proportional to 4,417.97, 6,618.20 and 2,663.43 is: 3,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.97 : 6,618.20 = 2,663.43 : x
  2. Step 2: Convert to fraction form
    4,417.97/6,618.20 = 2,663.43/x
  3. Step 3: Cross multiply
    4,417.97x = 6,618.20 × 2,663.43
  4. Step 4: Simplify right side
    4,417.97x = 17,627,137.62
  5. Step 5: Solve for x
    x = 17,627,137.62/4,417.97
  6. Step 6: Final answer
    x = 3,989.87

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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.