Home / 5,207.88-7,187.04-2,850.20

Finding the Fourth Proportional to 5,207.88, 7,187.04 and 2,850.20

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Solution

The fourth proportional to 5,207.88, 7,187.04 and 2,850.20 is: 3,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.88 : 7,187.04 = 2,850.20 : x
  2. Step 2: Convert to fraction form
    5,207.88/7,187.04 = 2,850.20/x
  3. Step 3: Cross multiply
    5,207.88x = 7,187.04 × 2,850.20
  4. Step 4: Simplify right side
    5,207.88x = 20,484,501.41
  5. Step 5: Solve for x
    x = 20,484,501.41/5,207.88
  6. Step 6: Final answer
    x = 3,933.37

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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.