Home / 10,202.67-15,301.99-2,805.22

Finding the Fourth Proportional to 10,202.67, 15,301.99 and 2,805.22

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Solution

The fourth proportional to 10,202.67, 15,301.99 and 2,805.22 is: 4,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.67 : 15,301.99 = 2,805.22 : x
  2. Step 2: Convert to fraction form
    10,202.67/15,301.99 = 2,805.22/x
  3. Step 3: Cross multiply
    10,202.67x = 15,301.99 × 2,805.22
  4. Step 4: Simplify right side
    10,202.67x = 42,925,448.39
  5. Step 5: Solve for x
    x = 42,925,448.39/10,202.67
  6. Step 6: Final answer
    x = 4,207.28

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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.