Home / 5,575.31-8,363.42-2,800.55

Finding the Fourth Proportional to 5,575.31, 8,363.42 and 2,800.55

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Solution

The fourth proportional to 5,575.31, 8,363.42 and 2,800.55 is: 4,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.31 : 8,363.42 = 2,800.55 : x
  2. Step 2: Convert to fraction form
    5,575.31/8,363.42 = 2,800.55/x
  3. Step 3: Cross multiply
    5,575.31x = 8,363.42 × 2,800.55
  4. Step 4: Simplify right side
    5,575.31x = 23,422,175.88
  5. Step 5: Solve for x
    x = 23,422,175.88/5,575.31
  6. Step 6: Final answer
    x = 4,201.05

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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.