Home / 4,520.18-6,781.31-1,746.88

Finding the Fourth Proportional to 4,520.18, 6,781.31 and 1,746.88

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Solution

The fourth proportional to 4,520.18, 6,781.31 and 1,746.88 is: 2,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.18 : 6,781.31 = 1,746.88 : x
  2. Step 2: Convert to fraction form
    4,520.18/6,781.31 = 1,746.88/x
  3. Step 3: Cross multiply
    4,520.18x = 6,781.31 × 1,746.88
  4. Step 4: Simplify right side
    4,520.18x = 11,846,115.68
  5. Step 5: Solve for x
    x = 11,846,115.68/4,520.18
  6. Step 6: Final answer
    x = 2,620.72

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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.