Home / 4,856.71-7,278.16-2,217.73

Finding the Fourth Proportional to 4,856.71, 7,278.16 and 2,217.73

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Solution

The fourth proportional to 4,856.71, 7,278.16 and 2,217.73 is: 3,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.71 : 7,278.16 = 2,217.73 : x
  2. Step 2: Convert to fraction form
    4,856.71/7,278.16 = 2,217.73/x
  3. Step 3: Cross multiply
    4,856.71x = 7,278.16 × 2,217.73
  4. Step 4: Simplify right side
    4,856.71x = 16,140,951.84
  5. Step 5: Solve for x
    x = 16,140,951.84/4,856.71
  6. Step 6: Final answer
    x = 3,323.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.