Home / 6,809.46-10,206.91-3,521.70

Finding the Fourth Proportional to 6,809.46, 10,206.91 and 3,521.70

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Solution

The fourth proportional to 6,809.46, 10,206.91 and 3,521.70 is: 5,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.46 : 10,206.91 = 3,521.70 : x
  2. Step 2: Convert to fraction form
    6,809.46/10,206.91 = 3,521.70/x
  3. Step 3: Cross multiply
    6,809.46x = 10,206.91 × 3,521.70
  4. Step 4: Simplify right side
    6,809.46x = 35,945,674.95
  5. Step 5: Solve for x
    x = 35,945,674.95/6,809.46
  6. Step 6: Final answer
    x = 5,278.78

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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.