Home / 7,744.36-11,616.90-3,127

Finding the Fourth Proportional to 7,744.36, 11,616.90 and 3,127

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Solution

The fourth proportional to 7,744.36, 11,616.90 and 3,127 is: 4,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.36 : 11,616.90 = 3,127 : x
  2. Step 2: Convert to fraction form
    7,744.36/11,616.90 = 3,127/x
  3. Step 3: Cross multiply
    7,744.36x = 11,616.90 × 3,127
  4. Step 4: Simplify right side
    7,744.36x = 36,326,046.30
  5. Step 5: Solve for x
    x = 36,326,046.30/7,744.36
  6. Step 6: Final answer
    x = 4,690.65

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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.