Home / 5,489.23-8,231.78-1,740.57

Finding the Fourth Proportional to 5,489.23, 8,231.78 and 1,740.57

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Solution

The fourth proportional to 5,489.23, 8,231.78 and 1,740.57 is: 2,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.23 : 8,231.78 = 1,740.57 : x
  2. Step 2: Convert to fraction form
    5,489.23/8,231.78 = 1,740.57/x
  3. Step 3: Cross multiply
    5,489.23x = 8,231.78 × 1,740.57
  4. Step 4: Simplify right side
    5,489.23x = 14,327,989.31
  5. Step 5: Solve for x
    x = 14,327,989.31/5,489.23
  6. Step 6: Final answer
    x = 2,610.20

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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.