Home / 4,454.28-6,678.59-2,112.84

Finding the Fourth Proportional to 4,454.28, 6,678.59 and 2,112.84

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Solution

The fourth proportional to 4,454.28, 6,678.59 and 2,112.84 is: 3,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.28 : 6,678.59 = 2,112.84 : x
  2. Step 2: Convert to fraction form
    4,454.28/6,678.59 = 2,112.84/x
  3. Step 3: Cross multiply
    4,454.28x = 6,678.59 × 2,112.84
  4. Step 4: Simplify right side
    4,454.28x = 14,110,781.53
  5. Step 5: Solve for x
    x = 14,110,781.53/4,454.28
  6. Step 6: Final answer
    x = 3,167.92

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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.