Home / 7,944.96-11,918.01-2,101.50

Finding the Fourth Proportional to 7,944.96, 11,918.01 and 2,101.50

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Solution

The fourth proportional to 7,944.96, 11,918.01 and 2,101.50 is: 3,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.96 : 11,918.01 = 2,101.50 : x
  2. Step 2: Convert to fraction form
    7,944.96/11,918.01 = 2,101.50/x
  3. Step 3: Cross multiply
    7,944.96x = 11,918.01 × 2,101.50
  4. Step 4: Simplify right side
    7,944.96x = 25,045,698.02
  5. Step 5: Solve for x
    x = 25,045,698.02/7,944.96
  6. Step 6: Final answer
    x = 3,152.40

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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.