Home / 4,868.95-6,722.19-3,864.76

Finding the Fourth Proportional to 4,868.95, 6,722.19 and 3,864.76

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Solution

The fourth proportional to 4,868.95, 6,722.19 and 3,864.76 is: 5,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.95 : 6,722.19 = 3,864.76 : x
  2. Step 2: Convert to fraction form
    4,868.95/6,722.19 = 3,864.76/x
  3. Step 3: Cross multiply
    4,868.95x = 6,722.19 × 3,864.76
  4. Step 4: Simplify right side
    4,868.95x = 25,979,651.02
  5. Step 5: Solve for x
    x = 25,979,651.02/4,868.95
  6. Step 6: Final answer
    x = 5,335.78

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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.