Home / 7,767.96-11,641.56-2,832.96

Finding the Fourth Proportional to 7,767.96, 11,641.56 and 2,832.96

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Solution

The fourth proportional to 7,767.96, 11,641.56 and 2,832.96 is: 4,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.96 : 11,641.56 = 2,832.96 : x
  2. Step 2: Convert to fraction form
    7,767.96/11,641.56 = 2,832.96/x
  3. Step 3: Cross multiply
    7,767.96x = 11,641.56 × 2,832.96
  4. Step 4: Simplify right side
    7,767.96x = 32,980,073.82
  5. Step 5: Solve for x
    x = 32,980,073.82/7,767.96
  6. Step 6: Final answer
    x = 4,245.65

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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.