Home / 5,214.48-7,196-2,856.64

Finding the Fourth Proportional to 5,214.48, 7,196 and 2,856.64

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Solution

The fourth proportional to 5,214.48, 7,196 and 2,856.64 is: 3,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.48 : 7,196 = 2,856.64 : x
  2. Step 2: Convert to fraction form
    5,214.48/7,196 = 2,856.64/x
  3. Step 3: Cross multiply
    5,214.48x = 7,196 × 2,856.64
  4. Step 4: Simplify right side
    5,214.48x = 20,556,381.44
  5. Step 5: Solve for x
    x = 20,556,381.44/5,214.48
  6. Step 6: Final answer
    x = 3,942.17

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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.