Home / 4,988.80-6,882.61-2,863.56

Finding the Fourth Proportional to 4,988.80, 6,882.61 and 2,863.56

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Solution

The fourth proportional to 4,988.80, 6,882.61 and 2,863.56 is: 3,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.80 : 6,882.61 = 2,863.56 : x
  2. Step 2: Convert to fraction form
    4,988.80/6,882.61 = 2,863.56/x
  3. Step 3: Cross multiply
    4,988.80x = 6,882.61 × 2,863.56
  4. Step 4: Simplify right side
    4,988.80x = 19,708,766.69
  5. Step 5: Solve for x
    x = 19,708,766.69/4,988.80
  6. Step 6: Final answer
    x = 3,950.60

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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.