Home / 4,331.31-6,486.33-2,766.69

Finding the Fourth Proportional to 4,331.31, 6,486.33 and 2,766.69

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Solution

The fourth proportional to 4,331.31, 6,486.33 and 2,766.69 is: 4,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.31 : 6,486.33 = 2,766.69 : x
  2. Step 2: Convert to fraction form
    4,331.31/6,486.33 = 2,766.69/x
  3. Step 3: Cross multiply
    4,331.31x = 6,486.33 × 2,766.69
  4. Step 4: Simplify right side
    4,331.31x = 17,945,664.35
  5. Step 5: Solve for x
    x = 17,945,664.35/4,331.31
  6. Step 6: Final answer
    x = 4,143.24

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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.