Home / 5,193.32-7,789.91-1,297.76

Finding the Fourth Proportional to 5,193.32, 7,789.91 and 1,297.76

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Solution

The fourth proportional to 5,193.32, 7,789.91 and 1,297.76 is: 1,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.32 : 7,789.91 = 1,297.76 : x
  2. Step 2: Convert to fraction form
    5,193.32/7,789.91 = 1,297.76/x
  3. Step 3: Cross multiply
    5,193.32x = 7,789.91 × 1,297.76
  4. Step 4: Simplify right side
    5,193.32x = 10,109,388.16
  5. Step 5: Solve for x
    x = 10,109,388.16/5,193.32
  6. Step 6: Final answer
    x = 1,946.62

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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.