Home / 7,837.28-11,757.68-2,643

Finding the Fourth Proportional to 7,837.28, 11,757.68 and 2,643

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Solution

The fourth proportional to 7,837.28, 11,757.68 and 2,643 is: 3,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.28 : 11,757.68 = 2,643 : x
  2. Step 2: Convert to fraction form
    7,837.28/11,757.68 = 2,643/x
  3. Step 3: Cross multiply
    7,837.28x = 11,757.68 × 2,643
  4. Step 4: Simplify right side
    7,837.28x = 31,075,548.24
  5. Step 5: Solve for x
    x = 31,075,548.24/7,837.28
  6. Step 6: Final answer
    x = 3,965.09

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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.