Home / 5,241.56-7,857.09-2,902.64

Finding the Fourth Proportional to 5,241.56, 7,857.09 and 2,902.64

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Solution

The fourth proportional to 5,241.56, 7,857.09 and 2,902.64 is: 4,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.56 : 7,857.09 = 2,902.64 : x
  2. Step 2: Convert to fraction form
    5,241.56/7,857.09 = 2,902.64/x
  3. Step 3: Cross multiply
    5,241.56x = 7,857.09 × 2,902.64
  4. Step 4: Simplify right side
    5,241.56x = 22,806,264.43
  5. Step 5: Solve for x
    x = 22,806,264.43/5,241.56
  6. Step 6: Final answer
    x = 4,351.05

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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.