Home / 7,316.30-10,974.45-4,205.90

Finding the Fourth Proportional to 7,316.30, 10,974.45 and 4,205.90

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Solution

The fourth proportional to 7,316.30, 10,974.45 and 4,205.90 is: 6,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.30 : 10,974.45 = 4,205.90 : x
  2. Step 2: Convert to fraction form
    7,316.30/10,974.45 = 4,205.90/x
  3. Step 3: Cross multiply
    7,316.30x = 10,974.45 × 4,205.90
  4. Step 4: Simplify right side
    7,316.30x = 46,157,439.26
  5. Step 5: Solve for x
    x = 46,157,439.26/7,316.30
  6. Step 6: Final answer
    x = 6,308.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.