Home / 5,207.82-7,186.69-2,850.18

Finding the Fourth Proportional to 5,207.82, 7,186.69 and 2,850.18

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Solution

The fourth proportional to 5,207.82, 7,186.69 and 2,850.18 is: 3,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.82 : 7,186.69 = 2,850.18 : x
  2. Step 2: Convert to fraction form
    5,207.82/7,186.69 = 2,850.18/x
  3. Step 3: Cross multiply
    5,207.82x = 7,186.69 × 2,850.18
  4. Step 4: Simplify right side
    5,207.82x = 20,483,360.10
  5. Step 5: Solve for x
    x = 20,483,360.10/5,207.82
  6. Step 6: Final answer
    x = 3,933.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.