Home / 7,891.17-11,837.34-2,697

Finding the Fourth Proportional to 7,891.17, 11,837.34 and 2,697

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Solution

The fourth proportional to 7,891.17, 11,837.34 and 2,697 is: 4,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.17 : 11,837.34 = 2,697 : x
  2. Step 2: Convert to fraction form
    7,891.17/11,837.34 = 2,697/x
  3. Step 3: Cross multiply
    7,891.17x = 11,837.34 × 2,697
  4. Step 4: Simplify right side
    7,891.17x = 31,925,305.98
  5. Step 5: Solve for x
    x = 31,925,305.98/7,891.17
  6. Step 6: Final answer
    x = 4,045.70

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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.