Home / 7,943.74-11,911.76-2,396.05

Finding the Fourth Proportional to 7,943.74, 11,911.76 and 2,396.05

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Solution

The fourth proportional to 7,943.74, 11,911.76 and 2,396.05 is: 3,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.74 : 11,911.76 = 2,396.05 : x
  2. Step 2: Convert to fraction form
    7,943.74/11,911.76 = 2,396.05/x
  3. Step 3: Cross multiply
    7,943.74x = 11,911.76 × 2,396.05
  4. Step 4: Simplify right side
    7,943.74x = 28,541,139.77
  5. Step 5: Solve for x
    x = 28,541,139.77/7,943.74
  6. Step 6: Final answer
    x = 3,592.91

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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.