Home / 8,890.67-13,336.69-2,650.20

Finding the Fourth Proportional to 8,890.67, 13,336.69 and 2,650.20

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Solution

The fourth proportional to 8,890.67, 13,336.69 and 2,650.20 is: 3,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.67 : 13,336.69 = 2,650.20 : x
  2. Step 2: Convert to fraction form
    8,890.67/13,336.69 = 2,650.20/x
  3. Step 3: Cross multiply
    8,890.67x = 13,336.69 × 2,650.20
  4. Step 4: Simplify right side
    8,890.67x = 35,344,895.84
  5. Step 5: Solve for x
    x = 35,344,895.84/8,890.67
  6. Step 6: Final answer
    x = 3,975.51

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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.