Home / 6,808.26-10,212.95-2,912.70

Finding the Fourth Proportional to 6,808.26, 10,212.95 and 2,912.70

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Solution

The fourth proportional to 6,808.26, 10,212.95 and 2,912.70 is: 4,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.26 : 10,212.95 = 2,912.70 : x
  2. Step 2: Convert to fraction form
    6,808.26/10,212.95 = 2,912.70/x
  3. Step 3: Cross multiply
    6,808.26x = 10,212.95 × 2,912.70
  4. Step 4: Simplify right side
    6,808.26x = 29,747,259.47
  5. Step 5: Solve for x
    x = 29,747,259.47/6,808.26
  6. Step 6: Final answer
    x = 4,369.29

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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.