Home / 7,781.30-11,668.44-2,233.39

Finding the Fourth Proportional to 7,781.30, 11,668.44 and 2,233.39

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Solution

The fourth proportional to 7,781.30, 11,668.44 and 2,233.39 is: 3,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.30 : 11,668.44 = 2,233.39 : x
  2. Step 2: Convert to fraction form
    7,781.30/11,668.44 = 2,233.39/x
  3. Step 3: Cross multiply
    7,781.30x = 11,668.44 × 2,233.39
  4. Step 4: Simplify right side
    7,781.30x = 26,060,177.21
  5. Step 5: Solve for x
    x = 26,060,177.21/7,781.30
  6. Step 6: Final answer
    x = 3,349.08

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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.