Home / 5,657.25-8,486.82-1,760.88

Finding the Fourth Proportional to 5,657.25, 8,486.82 and 1,760.88

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Solution

The fourth proportional to 5,657.25, 8,486.82 and 1,760.88 is: 2,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.25 : 8,486.82 = 1,760.88 : x
  2. Step 2: Convert to fraction form
    5,657.25/8,486.82 = 1,760.88/x
  3. Step 3: Cross multiply
    5,657.25x = 8,486.82 × 1,760.88
  4. Step 4: Simplify right side
    5,657.25x = 14,944,271.60
  5. Step 5: Solve for x
    x = 14,944,271.60/5,657.25
  6. Step 6: Final answer
    x = 2,641.61

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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.