Home / 4,572.11-6,857.76-2,231.21

Finding the Fourth Proportional to 4,572.11, 6,857.76 and 2,231.21

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Solution

The fourth proportional to 4,572.11, 6,857.76 and 2,231.21 is: 3,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.11 : 6,857.76 = 2,231.21 : x
  2. Step 2: Convert to fraction form
    4,572.11/6,857.76 = 2,231.21/x
  3. Step 3: Cross multiply
    4,572.11x = 6,857.76 × 2,231.21
  4. Step 4: Simplify right side
    4,572.11x = 15,301,128.20
  5. Step 5: Solve for x
    x = 15,301,128.20/4,572.11
  6. Step 6: Final answer
    x = 3,346.62

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1.5x scale

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.