Home / 7,780.26-11,670.35-2,233.64

Finding the Fourth Proportional to 7,780.26, 11,670.35 and 2,233.64

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Solution

The fourth proportional to 7,780.26, 11,670.35 and 2,233.64 is: 3,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.26 : 11,670.35 = 2,233.64 : x
  2. Step 2: Convert to fraction form
    7,780.26/11,670.35 = 2,233.64/x
  3. Step 3: Cross multiply
    7,780.26x = 11,670.35 × 2,233.64
  4. Step 4: Simplify right side
    7,780.26x = 26,067,291.05
  5. Step 5: Solve for x
    x = 26,067,291.05/7,780.26
  6. Step 6: Final answer
    x = 3,350.44

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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.