Home / 7,849.66-11,771.44-2,918.19

Finding the Fourth Proportional to 7,849.66, 11,771.44 and 2,918.19

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Solution

The fourth proportional to 7,849.66, 11,771.44 and 2,918.19 is: 4,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.66 : 11,771.44 = 2,918.19 : x
  2. Step 2: Convert to fraction form
    7,849.66/11,771.44 = 2,918.19/x
  3. Step 3: Cross multiply
    7,849.66x = 11,771.44 × 2,918.19
  4. Step 4: Simplify right side
    7,849.66x = 34,351,298.49
  5. Step 5: Solve for x
    x = 34,351,298.49/7,849.66
  6. Step 6: Final answer
    x = 4,376.15

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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.