Home / 5,352.15-8,028.23-2,891.78

Finding the Fourth Proportional to 5,352.15, 8,028.23 and 2,891.78

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Solution

The fourth proportional to 5,352.15, 8,028.23 and 2,891.78 is: 4,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.15 : 8,028.23 = 2,891.78 : x
  2. Step 2: Convert to fraction form
    5,352.15/8,028.23 = 2,891.78/x
  3. Step 3: Cross multiply
    5,352.15x = 8,028.23 × 2,891.78
  4. Step 4: Simplify right side
    5,352.15x = 23,215,820.35
  5. Step 5: Solve for x
    x = 23,215,820.35/5,352.15
  6. Step 6: Final answer
    x = 4,337.66

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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.