Home / 5,233.20-7,849.80-2,641.20

Finding the Fourth Proportional to 5,233.20, 7,849.80 and 2,641.20

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Solution

The fourth proportional to 5,233.20, 7,849.80 and 2,641.20 is: 3,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.20 : 7,849.80 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    5,233.20/7,849.80 = 2,641.20/x
  3. Step 3: Cross multiply
    5,233.20x = 7,849.80 × 2,641.20
  4. Step 4: Simplify right side
    5,233.20x = 20,732,891.76
  5. Step 5: Solve for x
    x = 20,732,891.76/5,233.20
  6. Step 6: Final answer
    x = 3,961.80

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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.