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Finding the Fourth Proportional to 7,793.51, 11,690.30 and 2,246.88

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Solution

The fourth proportional to 7,793.51, 11,690.30 and 2,246.88 is: 3,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.51 : 11,690.30 = 2,246.88 : x
  2. Step 2: Convert to fraction form
    7,793.51/11,690.30 = 2,246.88/x
  3. Step 3: Cross multiply
    7,793.51x = 11,690.30 × 2,246.88
  4. Step 4: Simplify right side
    7,793.51x = 26,266,706.88
  5. Step 5: Solve for x
    x = 26,266,706.88/7,793.51
  6. Step 6: Final answer
    x = 3,370.33

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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.