Home / 6,777.40-10,163.94-3,490.06

Finding the Fourth Proportional to 6,777.40, 10,163.94 and 3,490.06

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Solution

The fourth proportional to 6,777.40, 10,163.94 and 3,490.06 is: 5,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.40 : 10,163.94 = 3,490.06 : x
  2. Step 2: Convert to fraction form
    6,777.40/10,163.94 = 3,490.06/x
  3. Step 3: Cross multiply
    6,777.40x = 10,163.94 × 3,490.06
  4. Step 4: Simplify right side
    6,777.40x = 35,472,760.44
  5. Step 5: Solve for x
    x = 35,472,760.44/6,777.40
  6. Step 6: Final answer
    x = 5,233.98

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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.