Home / 7,908.04-10,908.78-5,072.26

Finding the Fourth Proportional to 7,908.04, 10,908.78 and 5,072.26

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Solution

The fourth proportional to 7,908.04, 10,908.78 and 5,072.26 is: 6,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.04 : 10,908.78 = 5,072.26 : x
  2. Step 2: Convert to fraction form
    7,908.04/10,908.78 = 5,072.26/x
  3. Step 3: Cross multiply
    7,908.04x = 10,908.78 × 5,072.26
  4. Step 4: Simplify right side
    7,908.04x = 55,332,163.06
  5. Step 5: Solve for x
    x = 55,332,163.06/7,908.04
  6. Step 6: Final answer
    x = 6,996.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.