Home / 5,214.48-7,196.13-2,856.75

Finding the Fourth Proportional to 5,214.48, 7,196.13 and 2,856.75

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Solution

The fourth proportional to 5,214.48, 7,196.13 and 2,856.75 is: 3,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.48 : 7,196.13 = 2,856.75 : x
  2. Step 2: Convert to fraction form
    5,214.48/7,196.13 = 2,856.75/x
  3. Step 3: Cross multiply
    5,214.48x = 7,196.13 × 2,856.75
  4. Step 4: Simplify right side
    5,214.48x = 20,557,544.38
  5. Step 5: Solve for x
    x = 20,557,544.38/5,214.48
  6. Step 6: Final answer
    x = 3,942.40

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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.