Home / 5,724.55-7,899.81-3,206.68

Finding the Fourth Proportional to 5,724.55, 7,899.81 and 3,206.68

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Solution

The fourth proportional to 5,724.55, 7,899.81 and 3,206.68 is: 4,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.55 : 7,899.81 = 3,206.68 : x
  2. Step 2: Convert to fraction form
    5,724.55/7,899.81 = 3,206.68/x
  3. Step 3: Cross multiply
    5,724.55x = 7,899.81 × 3,206.68
  4. Step 4: Simplify right side
    5,724.55x = 25,332,162.73
  5. Step 5: Solve for x
    x = 25,332,162.73/5,724.55
  6. Step 6: Final answer
    x = 4,425.18

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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.