Home / 5,214-7,195.32-2,856.23

Finding the Fourth Proportional to 5,214, 7,195.32 and 2,856.23

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Solution

The fourth proportional to 5,214, 7,195.32 and 2,856.23 is: 3,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214 : 7,195.32 = 2,856.23 : x
  2. Step 2: Convert to fraction form
    5,214/7,195.32 = 2,856.23/x
  3. Step 3: Cross multiply
    5,214x = 7,195.32 × 2,856.23
  4. Step 4: Simplify right side
    5,214x = 20,551,452.87
  5. Step 5: Solve for x
    x = 20,551,452.87/5,214
  6. Step 6: Final answer
    x = 3,941.59

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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.