Home / 4,988.75-6,884.61-2,750.76

Finding the Fourth Proportional to 4,988.75, 6,884.61 and 2,750.76

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Solution

The fourth proportional to 4,988.75, 6,884.61 and 2,750.76 is: 3,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.75 : 6,884.61 = 2,750.76 : x
  2. Step 2: Convert to fraction form
    4,988.75/6,884.61 = 2,750.76/x
  3. Step 3: Cross multiply
    4,988.75x = 6,884.61 × 2,750.76
  4. Step 4: Simplify right side
    4,988.75x = 18,937,909.80
  5. Step 5: Solve for x
    x = 18,937,909.80/4,988.75
  6. Step 6: Final answer
    x = 3,796.13

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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.