Home / 7,568.78-11,354.69-2,637.09

Finding the Fourth Proportional to 7,568.78, 11,354.69 and 2,637.09

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Solution

The fourth proportional to 7,568.78, 11,354.69 and 2,637.09 is: 3,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.78 : 11,354.69 = 2,637.09 : x
  2. Step 2: Convert to fraction form
    7,568.78/11,354.69 = 2,637.09/x
  3. Step 3: Cross multiply
    7,568.78x = 11,354.69 × 2,637.09
  4. Step 4: Simplify right side
    7,568.78x = 29,943,378.74
  5. Step 5: Solve for x
    x = 29,943,378.74/7,568.78
  6. Step 6: Final answer
    x = 3,956.17

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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.