Home / 6,910.40-10,357.57-3,950.92

Finding the Fourth Proportional to 6,910.40, 10,357.57 and 3,950.92

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Solution

The fourth proportional to 6,910.40, 10,357.57 and 3,950.92 is: 5,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.40 : 10,357.57 = 3,950.92 : x
  2. Step 2: Convert to fraction form
    6,910.40/10,357.57 = 3,950.92/x
  3. Step 3: Cross multiply
    6,910.40x = 10,357.57 × 3,950.92
  4. Step 4: Simplify right side
    6,910.40x = 40,921,930.46
  5. Step 5: Solve for x
    x = 40,921,930.46/6,910.40
  6. Step 6: Final answer
    x = 5,921.79

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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.