Home / 4,812.97-6,638.88-3,320.14

Finding the Fourth Proportional to 4,812.97, 6,638.88 and 3,320.14

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Solution

The fourth proportional to 4,812.97, 6,638.88 and 3,320.14 is: 4,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.97 : 6,638.88 = 3,320.14 : x
  2. Step 2: Convert to fraction form
    4,812.97/6,638.88 = 3,320.14/x
  3. Step 3: Cross multiply
    4,812.97x = 6,638.88 × 3,320.14
  4. Step 4: Simplify right side
    4,812.97x = 22,042,011.04
  5. Step 5: Solve for x
    x = 22,042,011.04/4,812.97
  6. Step 6: Final answer
    x = 4,579.71

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1.5x scale

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.