Home / 7,601.12-11,407.77-3,221.63

Finding the Fourth Proportional to 7,601.12, 11,407.77 and 3,221.63

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Solution

The fourth proportional to 7,601.12, 11,407.77 and 3,221.63 is: 4,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.12 : 11,407.77 = 3,221.63 : x
  2. Step 2: Convert to fraction form
    7,601.12/11,407.77 = 3,221.63/x
  3. Step 3: Cross multiply
    7,601.12x = 11,407.77 × 3,221.63
  4. Step 4: Simplify right side
    7,601.12x = 36,751,614.07
  5. Step 5: Solve for x
    x = 36,751,614.07/7,601.12
  6. Step 6: Final answer
    x = 4,835.03

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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.