Home / 6,949.40-10,423.62-2,791.26

Finding the Fourth Proportional to 6,949.40, 10,423.62 and 2,791.26

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Solution

The fourth proportional to 6,949.40, 10,423.62 and 2,791.26 is: 4,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.40 : 10,423.62 = 2,791.26 : x
  2. Step 2: Convert to fraction form
    6,949.40/10,423.62 = 2,791.26/x
  3. Step 3: Cross multiply
    6,949.40x = 10,423.62 × 2,791.26
  4. Step 4: Simplify right side
    6,949.40x = 29,095,033.56
  5. Step 5: Solve for x
    x = 29,095,033.56/6,949.40
  6. Step 6: Final answer
    x = 4,186.70

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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.