Home / 7,451.70-11,175.06-6,960.36

Finding the Fourth Proportional to 7,451.70, 11,175.06 and 6,960.36

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Solution

The fourth proportional to 7,451.70, 11,175.06 and 6,960.36 is: 10,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.70 : 11,175.06 = 6,960.36 : x
  2. Step 2: Convert to fraction form
    7,451.70/11,175.06 = 6,960.36/x
  3. Step 3: Cross multiply
    7,451.70x = 11,175.06 × 6,960.36
  4. Step 4: Simplify right side
    7,451.70x = 77,782,440.62
  5. Step 5: Solve for x
    x = 77,782,440.62/7,451.70
  6. Step 6: Final answer
    x = 10,438.21

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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.