Home / 7,786.27-11,671.98-2,588.50

Finding the Fourth Proportional to 7,786.27, 11,671.98 and 2,588.50

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Solution

The fourth proportional to 7,786.27, 11,671.98 and 2,588.50 is: 3,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.27 : 11,671.98 = 2,588.50 : x
  2. Step 2: Convert to fraction form
    7,786.27/11,671.98 = 2,588.50/x
  3. Step 3: Cross multiply
    7,786.27x = 11,671.98 × 2,588.50
  4. Step 4: Simplify right side
    7,786.27x = 30,212,920.23
  5. Step 5: Solve for x
    x = 30,212,920.23/7,786.27
  6. Step 6: Final answer
    x = 3,880.28

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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.