Home / 6,939.46-10,409.01-3,239.65

Finding the Fourth Proportional to 6,939.46, 10,409.01 and 3,239.65

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Solution

The fourth proportional to 6,939.46, 10,409.01 and 3,239.65 is: 4,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.46 : 10,409.01 = 3,239.65 : x
  2. Step 2: Convert to fraction form
    6,939.46/10,409.01 = 3,239.65/x
  3. Step 3: Cross multiply
    6,939.46x = 10,409.01 × 3,239.65
  4. Step 4: Simplify right side
    6,939.46x = 33,721,549.25
  5. Step 5: Solve for x
    x = 33,721,549.25/6,939.46
  6. Step 6: Final answer
    x = 4,859.39

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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.