Home / 7,431.92-11,148.20-4,165.84

Finding the Fourth Proportional to 7,431.92, 11,148.20 and 4,165.84

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Solution

The fourth proportional to 7,431.92, 11,148.20 and 4,165.84 is: 6,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.92 : 11,148.20 = 4,165.84 : x
  2. Step 2: Convert to fraction form
    7,431.92/11,148.20 = 4,165.84/x
  3. Step 3: Cross multiply
    7,431.92x = 11,148.20 × 4,165.84
  4. Step 4: Simplify right side
    7,431.92x = 46,441,617.49
  5. Step 5: Solve for x
    x = 46,441,617.49/7,431.92
  6. Step 6: Final answer
    x = 6,248.94

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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.