Home / 7,724.50-11,591.51-3,565.08

Finding the Fourth Proportional to 7,724.50, 11,591.51 and 3,565.08

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Solution

The fourth proportional to 7,724.50, 11,591.51 and 3,565.08 is: 5,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.50 : 11,591.51 = 3,565.08 : x
  2. Step 2: Convert to fraction form
    7,724.50/11,591.51 = 3,565.08/x
  3. Step 3: Cross multiply
    7,724.50x = 11,591.51 × 3,565.08
  4. Step 4: Simplify right side
    7,724.50x = 41,324,642.65
  5. Step 5: Solve for x
    x = 41,324,642.65/7,724.50
  6. Step 6: Final answer
    x = 5,349.82

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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.