Home / 6,388.19-9,583.44-2,639.98

Finding the Fourth Proportional to 6,388.19, 9,583.44 and 2,639.98

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Solution

The fourth proportional to 6,388.19, 9,583.44 and 2,639.98 is: 3,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.19 : 9,583.44 = 2,639.98 : x
  2. Step 2: Convert to fraction form
    6,388.19/9,583.44 = 2,639.98/x
  3. Step 3: Cross multiply
    6,388.19x = 9,583.44 × 2,639.98
  4. Step 4: Simplify right side
    6,388.19x = 25,300,042.01
  5. Step 5: Solve for x
    x = 25,300,042.01/6,388.19
  6. Step 6: Final answer
    x = 3,960.44

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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.