Home / 7,650.90-11,479.77-3,269.34

Finding the Fourth Proportional to 7,650.90, 11,479.77 and 3,269.34

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Solution

The fourth proportional to 7,650.90, 11,479.77 and 3,269.34 is: 4,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.90 : 11,479.77 = 3,269.34 : x
  2. Step 2: Convert to fraction form
    7,650.90/11,479.77 = 3,269.34/x
  3. Step 3: Cross multiply
    7,650.90x = 11,479.77 × 3,269.34
  4. Step 4: Simplify right side
    7,650.90x = 37,531,271.25
  5. Step 5: Solve for x
    x = 37,531,271.25/7,650.90
  6. Step 6: Final answer
    x = 4,905.47

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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.