Home / 7,945.64-11,918.55-2,399.03

Finding the Fourth Proportional to 7,945.64, 11,918.55 and 2,399.03

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Solution

The fourth proportional to 7,945.64, 11,918.55 and 2,399.03 is: 3,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.64 : 11,918.55 = 2,399.03 : x
  2. Step 2: Convert to fraction form
    7,945.64/11,918.55 = 2,399.03/x
  3. Step 3: Cross multiply
    7,945.64x = 11,918.55 × 2,399.03
  4. Step 4: Simplify right side
    7,945.64x = 28,592,988.80
  5. Step 5: Solve for x
    x = 28,592,988.80/7,945.64
  6. Step 6: Final answer
    x = 3,598.57

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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.