Home / 7,756.91-11,637.81-2,566.43

Finding the Fourth Proportional to 7,756.91, 11,637.81 and 2,566.43

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Solution

The fourth proportional to 7,756.91, 11,637.81 and 2,566.43 is: 3,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.91 : 11,637.81 = 2,566.43 : x
  2. Step 2: Convert to fraction form
    7,756.91/11,637.81 = 2,566.43/x
  3. Step 3: Cross multiply
    7,756.91x = 11,637.81 × 2,566.43
  4. Step 4: Simplify right side
    7,756.91x = 29,867,624.72
  5. Step 5: Solve for x
    x = 29,867,624.72/7,756.91
  6. Step 6: Final answer
    x = 3,850.45

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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.