Home / 7,764.45-11,648.48-2,217.87

Finding the Fourth Proportional to 7,764.45, 11,648.48 and 2,217.87

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Solution

The fourth proportional to 7,764.45, 11,648.48 and 2,217.87 is: 3,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.45 : 11,648.48 = 2,217.87 : x
  2. Step 2: Convert to fraction form
    7,764.45/11,648.48 = 2,217.87/x
  3. Step 3: Cross multiply
    7,764.45x = 11,648.48 × 2,217.87
  4. Step 4: Simplify right side
    7,764.45x = 25,834,814.34
  5. Step 5: Solve for x
    x = 25,834,814.34/7,764.45
  6. Step 6: Final answer
    x = 3,327.32

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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.