Home / 7,764.64-11,639.36-3,083.09

Finding the Fourth Proportional to 7,764.64, 11,639.36 and 3,083.09

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Solution

The fourth proportional to 7,764.64, 11,639.36 and 3,083.09 is: 4,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.64 : 11,639.36 = 3,083.09 : x
  2. Step 2: Convert to fraction form
    7,764.64/11,639.36 = 3,083.09/x
  3. Step 3: Cross multiply
    7,764.64x = 11,639.36 × 3,083.09
  4. Step 4: Simplify right side
    7,764.64x = 35,885,194.42
  5. Step 5: Solve for x
    x = 35,885,194.42/7,764.64
  6. Step 6: Final answer
    x = 4,621.62

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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.