Home / 7,767.84-11,641.26-5,571.75

Finding the Fourth Proportional to 7,767.84, 11,641.26 and 5,571.75

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Solution

The fourth proportional to 7,767.84, 11,641.26 and 5,571.75 is: 8,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.84 : 11,641.26 = 5,571.75 : x
  2. Step 2: Convert to fraction form
    7,767.84/11,641.26 = 5,571.75/x
  3. Step 3: Cross multiply
    7,767.84x = 11,641.26 × 5,571.75
  4. Step 4: Simplify right side
    7,767.84x = 64,862,190.41
  5. Step 5: Solve for x
    x = 64,862,190.41/7,767.84
  6. Step 6: Final answer
    x = 8,350.09

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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.