Home / 7,482.21-11,223.31-2,288.09

Finding the Fourth Proportional to 7,482.21, 11,223.31 and 2,288.09

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Solution

The fourth proportional to 7,482.21, 11,223.31 and 2,288.09 is: 3,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.21 : 11,223.31 = 2,288.09 : x
  2. Step 2: Convert to fraction form
    7,482.21/11,223.31 = 2,288.09/x
  3. Step 3: Cross multiply
    7,482.21x = 11,223.31 × 2,288.09
  4. Step 4: Simplify right side
    7,482.21x = 25,679,943.38
  5. Step 5: Solve for x
    x = 25,679,943.38/7,482.21
  6. Step 6: Final answer
    x = 3,432.13

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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.