Home / 7,764.70-11,646.99-2,218.04

Finding the Fourth Proportional to 7,764.70, 11,646.99 and 2,218.04

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Solution

The fourth proportional to 7,764.70, 11,646.99 and 2,218.04 is: 3,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.70 : 11,646.99 = 2,218.04 : x
  2. Step 2: Convert to fraction form
    7,764.70/11,646.99 = 2,218.04/x
  3. Step 3: Cross multiply
    7,764.70x = 11,646.99 × 2,218.04
  4. Step 4: Simplify right side
    7,764.70x = 25,833,489.70
  5. Step 5: Solve for x
    x = 25,833,489.70/7,764.70
  6. Step 6: Final answer
    x = 3,327.04

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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.