Home / 4,414.40-6,620.27-1,781.06

Finding the Fourth Proportional to 4,414.40, 6,620.27 and 1,781.06

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Solution

The fourth proportional to 4,414.40, 6,620.27 and 1,781.06 is: 2,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414.40 : 6,620.27 = 1,781.06 : x
  2. Step 2: Convert to fraction form
    4,414.40/6,620.27 = 1,781.06/x
  3. Step 3: Cross multiply
    4,414.40x = 6,620.27 × 1,781.06
  4. Step 4: Simplify right side
    4,414.40x = 11,791,056.08
  5. Step 5: Solve for x
    x = 11,791,056.08/4,414.40
  6. Step 6: Final answer
    x = 2,671.04

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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.