Home / 4,717.20-6,512.04-2,949.78

Finding the Fourth Proportional to 4,717.20, 6,512.04 and 2,949.78

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Solution

The fourth proportional to 4,717.20, 6,512.04 and 2,949.78 is: 4,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.20 : 6,512.04 = 2,949.78 : x
  2. Step 2: Convert to fraction form
    4,717.20/6,512.04 = 2,949.78/x
  3. Step 3: Cross multiply
    4,717.20x = 6,512.04 × 2,949.78
  4. Step 4: Simplify right side
    4,717.20x = 19,209,085.35
  5. Step 5: Solve for x
    x = 19,209,085.35/4,717.20
  6. Step 6: Final answer
    x = 4,072.14

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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.