Home / 5,427.36-7,486.56-3,330

Finding the Fourth Proportional to 5,427.36, 7,486.56 and 3,330

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Solution

The fourth proportional to 5,427.36, 7,486.56 and 3,330 is: 4,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.36 : 7,486.56 = 3,330 : x
  2. Step 2: Convert to fraction form
    5,427.36/7,486.56 = 3,330/x
  3. Step 3: Cross multiply
    5,427.36x = 7,486.56 × 3,330
  4. Step 4: Simplify right side
    5,427.36x = 24,930,244.80
  5. Step 5: Solve for x
    x = 24,930,244.80/5,427.36
  6. Step 6: Final answer
    x = 4,593.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.