Home / 6,926.79-10,390.19-3,231.61

Finding the Fourth Proportional to 6,926.79, 10,390.19 and 3,231.61

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Solution

The fourth proportional to 6,926.79, 10,390.19 and 3,231.61 is: 4,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.79 : 10,390.19 = 3,231.61 : x
  2. Step 2: Convert to fraction form
    6,926.79/10,390.19 = 3,231.61/x
  3. Step 3: Cross multiply
    6,926.79x = 10,390.19 × 3,231.61
  4. Step 4: Simplify right side
    6,926.79x = 33,576,999.77
  5. Step 5: Solve for x
    x = 33,576,999.77/6,926.79
  6. Step 6: Final answer
    x = 4,847.41

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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.