Home / 5,335.70-8,003.55-2,561.90

Finding the Fourth Proportional to 5,335.70, 8,003.55 and 2,561.90

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Solution

The fourth proportional to 5,335.70, 8,003.55 and 2,561.90 is: 3,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.70 : 8,003.55 = 2,561.90 : x
  2. Step 2: Convert to fraction form
    5,335.70/8,003.55 = 2,561.90/x
  3. Step 3: Cross multiply
    5,335.70x = 8,003.55 × 2,561.90
  4. Step 4: Simplify right side
    5,335.70x = 20,504,294.75
  5. Step 5: Solve for x
    x = 20,504,294.75/5,335.70
  6. Step 6: Final answer
    x = 3,842.85

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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.