Home / 4,988.12-6,883.52-2,749.95

Finding the Fourth Proportional to 4,988.12, 6,883.52 and 2,749.95

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Solution

The fourth proportional to 4,988.12, 6,883.52 and 2,749.95 is: 3,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.12 : 6,883.52 = 2,749.95 : x
  2. Step 2: Convert to fraction form
    4,988.12/6,883.52 = 2,749.95/x
  3. Step 3: Cross multiply
    4,988.12x = 6,883.52 × 2,749.95
  4. Step 4: Simplify right side
    4,988.12x = 18,929,322.07
  5. Step 5: Solve for x
    x = 18,929,322.07/4,988.12
  6. Step 6: Final answer
    x = 3,794.88

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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.