Home / 7,983.84-11,975.76-3,709.13

Finding the Fourth Proportional to 7,983.84, 11,975.76 and 3,709.13

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Solution

The fourth proportional to 7,983.84, 11,975.76 and 3,709.13 is: 5,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.84 : 11,975.76 = 3,709.13 : x
  2. Step 2: Convert to fraction form
    7,983.84/11,975.76 = 3,709.13/x
  3. Step 3: Cross multiply
    7,983.84x = 11,975.76 × 3,709.13
  4. Step 4: Simplify right side
    7,983.84x = 44,419,680.63
  5. Step 5: Solve for x
    x = 44,419,680.63/7,983.84
  6. Step 6: Final answer
    x = 5,563.70

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Similar ratio
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1.5x scale

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.