Home / 7,650.87-11,467.07-3,951.08

Finding the Fourth Proportional to 7,650.87, 11,467.07 and 3,951.08

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Solution

The fourth proportional to 7,650.87, 11,467.07 and 3,951.08 is: 5,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.87 : 11,467.07 = 3,951.08 : x
  2. Step 2: Convert to fraction form
    7,650.87/11,467.07 = 3,951.08/x
  3. Step 3: Cross multiply
    7,650.87x = 11,467.07 × 3,951.08
  4. Step 4: Simplify right side
    7,650.87x = 45,307,349.48
  5. Step 5: Solve for x
    x = 45,307,349.48/7,650.87
  6. Step 6: Final answer
    x = 5,921.86

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1.5x scale

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.