Home / 6,424.39-9,629.88-3,132.96

Finding the Fourth Proportional to 6,424.39, 9,629.88 and 3,132.96

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Solution

The fourth proportional to 6,424.39, 9,629.88 and 3,132.96 is: 4,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.39 : 9,629.88 = 3,132.96 : x
  2. Step 2: Convert to fraction form
    6,424.39/9,629.88 = 3,132.96/x
  3. Step 3: Cross multiply
    6,424.39x = 9,629.88 × 3,132.96
  4. Step 4: Simplify right side
    6,424.39x = 30,170,028.84
  5. Step 5: Solve for x
    x = 30,170,028.84/6,424.39
  6. Step 6: Final answer
    x = 4,696.17

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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.