Home / 7,126.18-10,694.75-6,760.33

Finding the Fourth Proportional to 7,126.18, 10,694.75 and 6,760.33

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Solution

The fourth proportional to 7,126.18, 10,694.75 and 6,760.33 is: 10,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.18 : 10,694.75 = 6,760.33 : x
  2. Step 2: Convert to fraction form
    7,126.18/10,694.75 = 6,760.33/x
  3. Step 3: Cross multiply
    7,126.18x = 10,694.75 × 6,760.33
  4. Step 4: Simplify right side
    7,126.18x = 72,299,978.73
  5. Step 5: Solve for x
    x = 72,299,978.73/7,126.18
  6. Step 6: Final answer
    x = 10,145.68

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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.