Home / 5,214.36-7,195.86-2,856.72

Finding the Fourth Proportional to 5,214.36, 7,195.86 and 2,856.72

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Solution

The fourth proportional to 5,214.36, 7,195.86 and 2,856.72 is: 3,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.36 : 7,195.86 = 2,856.72 : x
  2. Step 2: Convert to fraction form
    5,214.36/7,195.86 = 2,856.72/x
  3. Step 3: Cross multiply
    5,214.36x = 7,195.86 × 2,856.72
  4. Step 4: Simplify right side
    5,214.36x = 20,556,557.18
  5. Step 5: Solve for x
    x = 20,556,557.18/5,214.36
  6. Step 6: Final answer
    x = 3,942.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.