Home / 6,942.06-10,404.90-3,653.46

Finding the Fourth Proportional to 6,942.06, 10,404.90 and 3,653.46

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Solution

The fourth proportional to 6,942.06, 10,404.90 and 3,653.46 is: 5,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.06 : 10,404.90 = 3,653.46 : x
  2. Step 2: Convert to fraction form
    6,942.06/10,404.90 = 3,653.46/x
  3. Step 3: Cross multiply
    6,942.06x = 10,404.90 × 3,653.46
  4. Step 4: Simplify right side
    6,942.06x = 38,013,885.95
  5. Step 5: Solve for x
    x = 38,013,885.95/6,942.06
  6. Step 6: Final answer
    x = 5,475.88

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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.