Home / 6,377.28-9,560.76-1,992.48

Finding the Fourth Proportional to 6,377.28, 9,560.76 and 1,992.48

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Solution

The fourth proportional to 6,377.28, 9,560.76 and 1,992.48 is: 2,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.28 : 9,560.76 = 1,992.48 : x
  2. Step 2: Convert to fraction form
    6,377.28/9,560.76 = 1,992.48/x
  3. Step 3: Cross multiply
    6,377.28x = 9,560.76 × 1,992.48
  4. Step 4: Simplify right side
    6,377.28x = 19,049,623.08
  5. Step 5: Solve for x
    x = 19,049,623.08/6,377.28
  6. Step 6: Final answer
    x = 2,987.11

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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.