Home / 7,550.30-11,321.78-3,166.58

Finding the Fourth Proportional to 7,550.30, 11,321.78 and 3,166.58

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Solution

The fourth proportional to 7,550.30, 11,321.78 and 3,166.58 is: 4,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.30 : 11,321.78 = 3,166.58 : x
  2. Step 2: Convert to fraction form
    7,550.30/11,321.78 = 3,166.58/x
  3. Step 3: Cross multiply
    7,550.30x = 11,321.78 × 3,166.58
  4. Step 4: Simplify right side
    7,550.30x = 35,851,322.11
  5. Step 5: Solve for x
    x = 35,851,322.11/7,550.30
  6. Step 6: Final answer
    x = 4,748.33

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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.