Home / 4,922.76-6,789.56-3,154.53

Finding the Fourth Proportional to 4,922.76, 6,789.56 and 3,154.53

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Solution

The fourth proportional to 4,922.76, 6,789.56 and 3,154.53 is: 4,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.76 : 6,789.56 = 3,154.53 : x
  2. Step 2: Convert to fraction form
    4,922.76/6,789.56 = 3,154.53/x
  3. Step 3: Cross multiply
    4,922.76x = 6,789.56 × 3,154.53
  4. Step 4: Simplify right side
    4,922.76x = 21,417,844.65
  5. Step 5: Solve for x
    x = 21,417,844.65/4,922.76
  6. Step 6: Final answer
    x = 4,350.78

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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.