Home / 7,050.24-9,729.30-3,906.42

Finding the Fourth Proportional to 7,050.24, 9,729.30 and 3,906.42

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Solution

The fourth proportional to 7,050.24, 9,729.30 and 3,906.42 is: 5,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.24 : 9,729.30 = 3,906.42 : x
  2. Step 2: Convert to fraction form
    7,050.24/9,729.30 = 3,906.42/x
  3. Step 3: Cross multiply
    7,050.24x = 9,729.30 × 3,906.42
  4. Step 4: Simplify right side
    7,050.24x = 38,006,732.11
  5. Step 5: Solve for x
    x = 38,006,732.11/7,050.24
  6. Step 6: Final answer
    x = 5,390.84

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