Home / 9,243.53-13,861.65-3,978.94

Finding the Fourth Proportional to 9,243.53, 13,861.65 and 3,978.94

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Solution

The fourth proportional to 9,243.53, 13,861.65 and 3,978.94 is: 5,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.53 : 13,861.65 = 3,978.94 : x
  2. Step 2: Convert to fraction form
    9,243.53/13,861.65 = 3,978.94/x
  3. Step 3: Cross multiply
    9,243.53x = 13,861.65 × 3,978.94
  4. Step 4: Simplify right side
    9,243.53x = 55,154,584.45
  5. Step 5: Solve for x
    x = 55,154,584.45/9,243.53
  6. Step 6: Final answer
    x = 5,966.83

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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.