Home / 5,213.87-7,195.17-2,856.23

Finding the Fourth Proportional to 5,213.87, 7,195.17 and 2,856.23

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Solution

The fourth proportional to 5,213.87, 7,195.17 and 2,856.23 is: 3,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.87 : 7,195.17 = 2,856.23 : x
  2. Step 2: Convert to fraction form
    5,213.87/7,195.17 = 2,856.23/x
  3. Step 3: Cross multiply
    5,213.87x = 7,195.17 × 2,856.23
  4. Step 4: Simplify right side
    5,213.87x = 20,551,060.41
  5. Step 5: Solve for x
    x = 20,551,060.41/5,213.87
  6. Step 6: Final answer
    x = 3,941.61

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Half scale
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Double scale
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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.