Home / 7,943.96-11,914.58-2,101.16

Finding the Fourth Proportional to 7,943.96, 11,914.58 and 2,101.16

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Solution

The fourth proportional to 7,943.96, 11,914.58 and 2,101.16 is: 3,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.96 : 11,914.58 = 2,101.16 : x
  2. Step 2: Convert to fraction form
    7,943.96/11,914.58 = 2,101.16/x
  3. Step 3: Cross multiply
    7,943.96x = 11,914.58 × 2,101.16
  4. Step 4: Simplify right side
    7,943.96x = 25,034,368.83
  5. Step 5: Solve for x
    x = 25,034,368.83/7,943.96
  6. Step 6: Final answer
    x = 3,151.37

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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.