Home / 7,764.57-11,643.36-2,216.60

Finding the Fourth Proportional to 7,764.57, 11,643.36 and 2,216.60

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Solution

The fourth proportional to 7,764.57, 11,643.36 and 2,216.60 is: 3,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.57 : 11,643.36 = 2,216.60 : x
  2. Step 2: Convert to fraction form
    7,764.57/11,643.36 = 2,216.60/x
  3. Step 3: Cross multiply
    7,764.57x = 11,643.36 × 2,216.60
  4. Step 4: Simplify right side
    7,764.57x = 25,808,613.56
  5. Step 5: Solve for x
    x = 25,808,613.56/7,764.57
  6. Step 6: Final answer
    x = 3,323.89

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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.