Home / 5,286.32-7,928.36-3,335.92

Finding the Fourth Proportional to 5,286.32, 7,928.36 and 3,335.92

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Solution

The fourth proportional to 5,286.32, 7,928.36 and 3,335.92 is: 5,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.32 : 7,928.36 = 3,335.92 : x
  2. Step 2: Convert to fraction form
    5,286.32/7,928.36 = 3,335.92/x
  3. Step 3: Cross multiply
    5,286.32x = 7,928.36 × 3,335.92
  4. Step 4: Simplify right side
    5,286.32x = 26,448,374.69
  5. Step 5: Solve for x
    x = 26,448,374.69/5,286.32
  6. Step 6: Final answer
    x = 5,003.17

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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.