Home / 5,278.42-7,908.54-3,498.37

Finding the Fourth Proportional to 5,278.42, 7,908.54 and 3,498.37

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Solution

The fourth proportional to 5,278.42, 7,908.54 and 3,498.37 is: 5,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.42 : 7,908.54 = 3,498.37 : x
  2. Step 2: Convert to fraction form
    5,278.42/7,908.54 = 3,498.37/x
  3. Step 3: Cross multiply
    5,278.42x = 7,908.54 × 3,498.37
  4. Step 4: Simplify right side
    5,278.42x = 27,666,999.08
  5. Step 5: Solve for x
    x = 27,666,999.08/5,278.42
  6. Step 6: Final answer
    x = 5,241.53

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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.