Home / 5,213.91-7,195.21-2,856.06

Finding the Fourth Proportional to 5,213.91, 7,195.21 and 2,856.06

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Solution

The fourth proportional to 5,213.91, 7,195.21 and 2,856.06 is: 3,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.91 : 7,195.21 = 2,856.06 : x
  2. Step 2: Convert to fraction form
    5,213.91/7,195.21 = 2,856.06/x
  3. Step 3: Cross multiply
    5,213.91x = 7,195.21 × 2,856.06
  4. Step 4: Simplify right side
    5,213.91x = 20,549,944.33
  5. Step 5: Solve for x
    x = 20,549,944.33/5,213.91
  6. Step 6: Final answer
    x = 3,941.37

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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.