Home / 7,016.38-10,515.46-2,851.54

Finding the Fourth Proportional to 7,016.38, 10,515.46 and 2,851.54

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Solution

The fourth proportional to 7,016.38, 10,515.46 and 2,851.54 is: 4,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.38 : 10,515.46 = 2,851.54 : x
  2. Step 2: Convert to fraction form
    7,016.38/10,515.46 = 2,851.54/x
  3. Step 3: Cross multiply
    7,016.38x = 10,515.46 × 2,851.54
  4. Step 4: Simplify right side
    7,016.38x = 29,985,306.16
  5. Step 5: Solve for x
    x = 29,985,306.16/7,016.38
  6. Step 6: Final answer
    x = 4,273.61

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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.