Home / 5,214.64-7,196.27-2,856.73

Finding the Fourth Proportional to 5,214.64, 7,196.27 and 2,856.73

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Solution

The fourth proportional to 5,214.64, 7,196.27 and 2,856.73 is: 3,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.64 : 7,196.27 = 2,856.73 : x
  2. Step 2: Convert to fraction form
    5,214.64/7,196.27 = 2,856.73/x
  3. Step 3: Cross multiply
    5,214.64x = 7,196.27 × 2,856.73
  4. Step 4: Simplify right side
    5,214.64x = 20,557,800.40
  5. Step 5: Solve for x
    x = 20,557,800.40/5,214.64
  6. Step 6: Final answer
    x = 3,942.32

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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.