Home / 7,827.17-11,740.73-1,983.76

Finding the Fourth Proportional to 7,827.17, 11,740.73 and 1,983.76

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Solution

The fourth proportional to 7,827.17, 11,740.73 and 1,983.76 is: 2,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.17 : 11,740.73 = 1,983.76 : x
  2. Step 2: Convert to fraction form
    7,827.17/11,740.73 = 1,983.76/x
  3. Step 3: Cross multiply
    7,827.17x = 11,740.73 × 1,983.76
  4. Step 4: Simplify right side
    7,827.17x = 23,290,790.54
  5. Step 5: Solve for x
    x = 23,290,790.54/7,827.17
  6. Step 6: Final answer
    x = 2,975.63

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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.