Home / 5,657.39-8,487.18-1,708.97

Finding the Fourth Proportional to 5,657.39, 8,487.18 and 1,708.97

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Solution

The fourth proportional to 5,657.39, 8,487.18 and 1,708.97 is: 2,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.39 : 8,487.18 = 1,708.97 : x
  2. Step 2: Convert to fraction form
    5,657.39/8,487.18 = 1,708.97/x
  3. Step 3: Cross multiply
    5,657.39x = 8,487.18 × 1,708.97
  4. Step 4: Simplify right side
    5,657.39x = 14,504,293.57
  5. Step 5: Solve for x
    x = 14,504,293.57/5,657.39
  6. Step 6: Final answer
    x = 2,563.78

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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.