Home / 6,440.52-9,636.48-4,251.90

Finding the Fourth Proportional to 6,440.52, 9,636.48 and 4,251.90

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Solution

The fourth proportional to 6,440.52, 9,636.48 and 4,251.90 is: 6,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.52 : 9,636.48 = 4,251.90 : x
  2. Step 2: Convert to fraction form
    6,440.52/9,636.48 = 4,251.90/x
  3. Step 3: Cross multiply
    6,440.52x = 9,636.48 × 4,251.90
  4. Step 4: Simplify right side
    6,440.52x = 40,973,349.31
  5. Step 5: Solve for x
    x = 40,973,349.31/6,440.52
  6. Step 6: Final answer
    x = 6,361.81

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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.