Home / 6,939.86-10,411.33-3,240.07

Finding the Fourth Proportional to 6,939.86, 10,411.33 and 3,240.07

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Solution

The fourth proportional to 6,939.86, 10,411.33 and 3,240.07 is: 4,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.86 : 10,411.33 = 3,240.07 : x
  2. Step 2: Convert to fraction form
    6,939.86/10,411.33 = 3,240.07/x
  3. Step 3: Cross multiply
    6,939.86x = 10,411.33 × 3,240.07
  4. Step 4: Simplify right side
    6,939.86x = 33,733,458.42
  5. Step 5: Solve for x
    x = 33,733,458.42/6,939.86
  6. Step 6: Final answer
    x = 4,860.83

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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.