Home / 4,718.80-6,512.78-2,729.04

Finding the Fourth Proportional to 4,718.80, 6,512.78 and 2,729.04

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Solution

The fourth proportional to 4,718.80, 6,512.78 and 2,729.04 is: 3,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.80 : 6,512.78 = 2,729.04 : x
  2. Step 2: Convert to fraction form
    4,718.80/6,512.78 = 2,729.04/x
  3. Step 3: Cross multiply
    4,718.80x = 6,512.78 × 2,729.04
  4. Step 4: Simplify right side
    4,718.80x = 17,773,637.13
  5. Step 5: Solve for x
    x = 17,773,637.13/4,718.80
  6. Step 6: Final answer
    x = 3,766.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.