Home / 4,869.54-6,717.20-3,378.74

Finding the Fourth Proportional to 4,869.54, 6,717.20 and 3,378.74

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Solution

The fourth proportional to 4,869.54, 6,717.20 and 3,378.74 is: 4,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.54 : 6,717.20 = 3,378.74 : x
  2. Step 2: Convert to fraction form
    4,869.54/6,717.20 = 3,378.74/x
  3. Step 3: Cross multiply
    4,869.54x = 6,717.20 × 3,378.74
  4. Step 4: Simplify right side
    4,869.54x = 22,695,621.85
  5. Step 5: Solve for x
    x = 22,695,621.85/4,869.54
  6. Step 6: Final answer
    x = 4,660.73

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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.