Home / 4,917.60-7,377.56-2,144.76

Finding the Fourth Proportional to 4,917.60, 7,377.56 and 2,144.76

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Solution

The fourth proportional to 4,917.60, 7,377.56 and 2,144.76 is: 3,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.60 : 7,377.56 = 2,144.76 : x
  2. Step 2: Convert to fraction form
    4,917.60/7,377.56 = 2,144.76/x
  3. Step 3: Cross multiply
    4,917.60x = 7,377.56 × 2,144.76
  4. Step 4: Simplify right side
    4,917.60x = 15,823,095.59
  5. Step 5: Solve for x
    x = 15,823,095.59/4,917.60
  6. Step 6: Final answer
    x = 3,217.65

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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.