Home / 7,442.29-11,163.09-3,281.18

Finding the Fourth Proportional to 7,442.29, 11,163.09 and 3,281.18

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Solution

The fourth proportional to 7,442.29, 11,163.09 and 3,281.18 is: 4,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.29 : 11,163.09 = 3,281.18 : x
  2. Step 2: Convert to fraction form
    7,442.29/11,163.09 = 3,281.18/x
  3. Step 3: Cross multiply
    7,442.29x = 11,163.09 × 3,281.18
  4. Step 4: Simplify right side
    7,442.29x = 36,628,107.65
  5. Step 5: Solve for x
    x = 36,628,107.65/7,442.29
  6. Step 6: Final answer
    x = 4,921.62

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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.