Home / 6,436.80-9,637.92-3,836.16

Finding the Fourth Proportional to 6,436.80, 9,637.92 and 3,836.16

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Solution

The fourth proportional to 6,436.80, 9,637.92 and 3,836.16 is: 5,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.80 : 9,637.92 = 3,836.16 : x
  2. Step 2: Convert to fraction form
    6,436.80/9,637.92 = 3,836.16/x
  3. Step 3: Cross multiply
    6,436.80x = 9,637.92 × 3,836.16
  4. Step 4: Simplify right side
    6,436.80x = 36,972,603.19
  5. Step 5: Solve for x
    x = 36,972,603.19/6,436.80
  6. Step 6: Final answer
    x = 5,743.94

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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.