Home / 5,214.28-7,193.30-3,005

Finding the Fourth Proportional to 5,214.28, 7,193.30 and 3,005

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Solution

The fourth proportional to 5,214.28, 7,193.30 and 3,005 is: 4,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.28 : 7,193.30 = 3,005 : x
  2. Step 2: Convert to fraction form
    5,214.28/7,193.30 = 3,005/x
  3. Step 3: Cross multiply
    5,214.28x = 7,193.30 × 3,005
  4. Step 4: Simplify right side
    5,214.28x = 21,615,866.50
  5. Step 5: Solve for x
    x = 21,615,866.50/5,214.28
  6. Step 6: Final answer
    x = 4,145.51

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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.