Home / 5,276.82-7,908.54-2,645.34

Finding the Fourth Proportional to 5,276.82, 7,908.54 and 2,645.34

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Solution

The fourth proportional to 5,276.82, 7,908.54 and 2,645.34 is: 3,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.82 : 7,908.54 = 2,645.34 : x
  2. Step 2: Convert to fraction form
    5,276.82/7,908.54 = 2,645.34/x
  3. Step 3: Cross multiply
    5,276.82x = 7,908.54 × 2,645.34
  4. Step 4: Simplify right side
    5,276.82x = 20,920,777.20
  5. Step 5: Solve for x
    x = 20,920,777.20/5,276.82
  6. Step 6: Final answer
    x = 3,964.66

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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.