Home / 6,939.62-10,412.84-3,242.11

Finding the Fourth Proportional to 6,939.62, 10,412.84 and 3,242.11

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Solution

The fourth proportional to 6,939.62, 10,412.84 and 3,242.11 is: 4,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.62 : 10,412.84 = 3,242.11 : x
  2. Step 2: Convert to fraction form
    6,939.62/10,412.84 = 3,242.11/x
  3. Step 3: Cross multiply
    6,939.62x = 10,412.84 × 3,242.11
  4. Step 4: Simplify right side
    6,939.62x = 33,759,554.77
  5. Step 5: Solve for x
    x = 33,759,554.77/6,939.62
  6. Step 6: Final answer
    x = 4,864.76

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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.