Home / 10,648.55-15,971.54-2,857.97

Finding the Fourth Proportional to 10,648.55, 15,971.54 and 2,857.97

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Solution

The fourth proportional to 10,648.55, 15,971.54 and 2,857.97 is: 4,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.55 : 15,971.54 = 2,857.97 : x
  2. Step 2: Convert to fraction form
    10,648.55/15,971.54 = 2,857.97/x
  3. Step 3: Cross multiply
    10,648.55x = 15,971.54 × 2,857.97
  4. Step 4: Simplify right side
    10,648.55x = 45,646,088.03
  5. Step 5: Solve for x
    x = 45,646,088.03/10,648.55
  6. Step 6: Final answer
    x = 4,286.60

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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.