Home / 4,876.29-6,729.06-3,108.46

Finding the Fourth Proportional to 4,876.29, 6,729.06 and 3,108.46

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Solution

The fourth proportional to 4,876.29, 6,729.06 and 3,108.46 is: 4,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.29 : 6,729.06 = 3,108.46 : x
  2. Step 2: Convert to fraction form
    4,876.29/6,729.06 = 3,108.46/x
  3. Step 3: Cross multiply
    4,876.29x = 6,729.06 × 3,108.46
  4. Step 4: Simplify right side
    4,876.29x = 20,917,013.85
  5. Step 5: Solve for x
    x = 20,917,013.85/4,876.29
  6. Step 6: Final answer
    x = 4,289.53

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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.