Home / 7,170.44-9,961.43-7,106.36

Finding the Fourth Proportional to 7,170.44, 9,961.43 and 7,106.36

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Solution

The fourth proportional to 7,170.44, 9,961.43 and 7,106.36 is: 9,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.44 : 9,961.43 = 7,106.36 : x
  2. Step 2: Convert to fraction form
    7,170.44/9,961.43 = 7,106.36/x
  3. Step 3: Cross multiply
    7,170.44x = 9,961.43 × 7,106.36
  4. Step 4: Simplify right side
    7,170.44x = 70,789,507.69
  5. Step 5: Solve for x
    x = 70,789,507.69/7,170.44
  6. Step 6: Final answer
    x = 9,872.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.