Home / 5,724.73-7,899.99-3,206.92

Finding the Fourth Proportional to 5,724.73, 7,899.99 and 3,206.92

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Solution

The fourth proportional to 5,724.73, 7,899.99 and 3,206.92 is: 4,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.73 : 7,899.99 = 3,206.92 : x
  2. Step 2: Convert to fraction form
    5,724.73/7,899.99 = 3,206.92/x
  3. Step 3: Cross multiply
    5,724.73x = 7,899.99 × 3,206.92
  4. Step 4: Simplify right side
    5,724.73x = 25,334,635.93
  5. Step 5: Solve for x
    x = 25,334,635.93/5,724.73
  6. Step 6: Final answer
    x = 4,425.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.