Home / 5,486.07-8,229.15-3,648.90

Finding the Fourth Proportional to 5,486.07, 8,229.15 and 3,648.90

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Solution

The fourth proportional to 5,486.07, 8,229.15 and 3,648.90 is: 5,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.07 : 8,229.15 = 3,648.90 : x
  2. Step 2: Convert to fraction form
    5,486.07/8,229.15 = 3,648.90/x
  3. Step 3: Cross multiply
    5,486.07x = 8,229.15 × 3,648.90
  4. Step 4: Simplify right side
    5,486.07x = 30,027,345.44
  5. Step 5: Solve for x
    x = 30,027,345.44/5,486.07
  6. Step 6: Final answer
    x = 5,473.38

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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.