Home / 7,119.75-10,679.64-2,502.75

Finding the Fourth Proportional to 7,119.75, 10,679.64 and 2,502.75

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Solution

The fourth proportional to 7,119.75, 10,679.64 and 2,502.75 is: 3,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.75 : 10,679.64 = 2,502.75 : x
  2. Step 2: Convert to fraction form
    7,119.75/10,679.64 = 2,502.75/x
  3. Step 3: Cross multiply
    7,119.75x = 10,679.64 × 2,502.75
  4. Step 4: Simplify right side
    7,119.75x = 26,728,469.01
  5. Step 5: Solve for x
    x = 26,728,469.01/7,119.75
  6. Step 6: Final answer
    x = 3,754.13

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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.