Home / 10,652.82-15,979.68-2,861.64

Finding the Fourth Proportional to 10,652.82, 15,979.68 and 2,861.64

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Solution

The fourth proportional to 10,652.82, 15,979.68 and 2,861.64 is: 4,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.82 : 15,979.68 = 2,861.64 : x
  2. Step 2: Convert to fraction form
    10,652.82/15,979.68 = 2,861.64/x
  3. Step 3: Cross multiply
    10,652.82x = 15,979.68 × 2,861.64
  4. Step 4: Simplify right side
    10,652.82x = 45,728,091.48
  5. Step 5: Solve for x
    x = 45,728,091.48/10,652.82
  6. Step 6: Final answer
    x = 4,292.58

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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.