Home / 10,652.96-15,979.08-2,861.60

Finding the Fourth Proportional to 10,652.96, 15,979.08 and 2,861.60

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Solution

The fourth proportional to 10,652.96, 15,979.08 and 2,861.60 is: 4,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.96 : 15,979.08 = 2,861.60 : x
  2. Step 2: Convert to fraction form
    10,652.96/15,979.08 = 2,861.60/x
  3. Step 3: Cross multiply
    10,652.96x = 15,979.08 × 2,861.60
  4. Step 4: Simplify right side
    10,652.96x = 45,725,735.33
  5. Step 5: Solve for x
    x = 45,725,735.33/10,652.96
  6. Step 6: Final answer
    x = 4,292.30

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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.