Home / 7,986.24-11,970.72-5,376.96

Finding the Fourth Proportional to 7,986.24, 11,970.72 and 5,376.96

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Solution

The fourth proportional to 7,986.24, 11,970.72 and 5,376.96 is: 8,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.24 : 11,970.72 = 5,376.96 : x
  2. Step 2: Convert to fraction form
    7,986.24/11,970.72 = 5,376.96/x
  3. Step 3: Cross multiply
    7,986.24x = 11,970.72 × 5,376.96
  4. Step 4: Simplify right side
    7,986.24x = 64,366,082.61
  5. Step 5: Solve for x
    x = 64,366,082.61/7,986.24
  6. Step 6: Final answer
    x = 8,059.62

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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.