Home / 6,926.55-9,557.94-3,942.21

Finding the Fourth Proportional to 6,926.55, 9,557.94 and 3,942.21

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Solution

The fourth proportional to 6,926.55, 9,557.94 and 3,942.21 is: 5,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.55 : 9,557.94 = 3,942.21 : x
  2. Step 2: Convert to fraction form
    6,926.55/9,557.94 = 3,942.21/x
  3. Step 3: Cross multiply
    6,926.55x = 9,557.94 × 3,942.21
  4. Step 4: Simplify right side
    6,926.55x = 37,679,406.65
  5. Step 5: Solve for x
    x = 37,679,406.65/6,926.55
  6. Step 6: Final answer
    x = 5,439.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.