Home / 5,242.62-7,864.82-2,610.28

Finding the Fourth Proportional to 5,242.62, 7,864.82 and 2,610.28

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Solution

The fourth proportional to 5,242.62, 7,864.82 and 2,610.28 is: 3,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.62 : 7,864.82 = 2,610.28 : x
  2. Step 2: Convert to fraction form
    5,242.62/7,864.82 = 2,610.28/x
  3. Step 3: Cross multiply
    5,242.62x = 7,864.82 × 2,610.28
  4. Step 4: Simplify right side
    5,242.62x = 20,529,382.35
  5. Step 5: Solve for x
    x = 20,529,382.35/5,242.62
  6. Step 6: Final answer
    x = 3,915.86

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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.