Home / 5,182.23-7,773.43-1,286.64

Finding the Fourth Proportional to 5,182.23, 7,773.43 and 1,286.64

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Solution

The fourth proportional to 5,182.23, 7,773.43 and 1,286.64 is: 1,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.23 : 7,773.43 = 1,286.64 : x
  2. Step 2: Convert to fraction form
    5,182.23/7,773.43 = 1,286.64/x
  3. Step 3: Cross multiply
    5,182.23x = 7,773.43 × 1,286.64
  4. Step 4: Simplify right side
    5,182.23x = 10,001,605.98
  5. Step 5: Solve for x
    x = 10,001,605.98/5,182.23
  6. Step 6: Final answer
    x = 1,929.98

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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.