Home / 5,286.08-7,927.82-1,776.20

Finding the Fourth Proportional to 5,286.08, 7,927.82 and 1,776.20

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Solution

The fourth proportional to 5,286.08, 7,927.82 and 1,776.20 is: 2,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.08 : 7,927.82 = 1,776.20 : x
  2. Step 2: Convert to fraction form
    5,286.08/7,927.82 = 1,776.20/x
  3. Step 3: Cross multiply
    5,286.08x = 7,927.82 × 1,776.20
  4. Step 4: Simplify right side
    5,286.08x = 14,081,393.88
  5. Step 5: Solve for x
    x = 14,081,393.88/5,286.08
  6. Step 6: Final answer
    x = 2,663.86

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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.