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Finding the Fourth Proportional to 5,764.46, 8,639.17 and 2,643.34

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Solution

The fourth proportional to 5,764.46, 8,639.17 and 2,643.34 is: 3,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.46 : 8,639.17 = 2,643.34 : x
  2. Step 2: Convert to fraction form
    5,764.46/8,639.17 = 2,643.34/x
  3. Step 3: Cross multiply
    5,764.46x = 8,639.17 × 2,643.34
  4. Step 4: Simplify right side
    5,764.46x = 22,836,263.63
  5. Step 5: Solve for x
    x = 22,836,263.63/5,764.46
  6. Step 6: Final answer
    x = 3,961.56

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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.