Home / 7,911.96-11,872.01-3,532.29

Finding the Fourth Proportional to 7,911.96, 11,872.01 and 3,532.29

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Solution

The fourth proportional to 7,911.96, 11,872.01 and 3,532.29 is: 5,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.96 : 11,872.01 = 3,532.29 : x
  2. Step 2: Convert to fraction form
    7,911.96/11,872.01 = 3,532.29/x
  3. Step 3: Cross multiply
    7,911.96x = 11,872.01 × 3,532.29
  4. Step 4: Simplify right side
    7,911.96x = 41,935,364.54
  5. Step 5: Solve for x
    x = 41,935,364.54/7,911.96
  6. Step 6: Final answer
    x = 5,300.25

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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.