Home / 6,812.26-10,209.84-2,912.08

Finding the Fourth Proportional to 6,812.26, 10,209.84 and 2,912.08

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Solution

The fourth proportional to 6,812.26, 10,209.84 and 2,912.08 is: 4,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.26 : 10,209.84 = 2,912.08 : x
  2. Step 2: Convert to fraction form
    6,812.26/10,209.84 = 2,912.08/x
  3. Step 3: Cross multiply
    6,812.26x = 10,209.84 × 2,912.08
  4. Step 4: Simplify right side
    6,812.26x = 29,731,870.87
  5. Step 5: Solve for x
    x = 29,731,870.87/6,812.26
  6. Step 6: Final answer
    x = 4,364.47

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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.