Home / 5,248.30-7,873.45-1,961.26

Finding the Fourth Proportional to 5,248.30, 7,873.45 and 1,961.26

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Solution

The fourth proportional to 5,248.30, 7,873.45 and 1,961.26 is: 2,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.30 : 7,873.45 = 1,961.26 : x
  2. Step 2: Convert to fraction form
    5,248.30/7,873.45 = 1,961.26/x
  3. Step 3: Cross multiply
    5,248.30x = 7,873.45 × 1,961.26
  4. Step 4: Simplify right side
    5,248.30x = 15,441,882.55
  5. Step 5: Solve for x
    x = 15,441,882.55/5,248.30
  6. Step 6: Final answer
    x = 2,942.26

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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.