Home / 10,260.72-15,391.77-3,241.05

Finding the Fourth Proportional to 10,260.72, 15,391.77 and 3,241.05

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Solution

The fourth proportional to 10,260.72, 15,391.77 and 3,241.05 is: 4,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.72 : 15,391.77 = 3,241.05 : x
  2. Step 2: Convert to fraction form
    10,260.72/15,391.77 = 3,241.05/x
  3. Step 3: Cross multiply
    10,260.72x = 15,391.77 × 3,241.05
  4. Step 4: Simplify right side
    10,260.72x = 49,885,496.16
  5. Step 5: Solve for x
    x = 49,885,496.16/10,260.72
  6. Step 6: Final answer
    x = 4,861.79

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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.