Home / 5,139.48-7,092.21-3,014.72

Finding the Fourth Proportional to 5,139.48, 7,092.21 and 3,014.72

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Solution

The fourth proportional to 5,139.48, 7,092.21 and 3,014.72 is: 4,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.48 : 7,092.21 = 3,014.72 : x
  2. Step 2: Convert to fraction form
    5,139.48/7,092.21 = 3,014.72/x
  3. Step 3: Cross multiply
    5,139.48x = 7,092.21 × 3,014.72
  4. Step 4: Simplify right side
    5,139.48x = 21,380,991.87
  5. Step 5: Solve for x
    x = 21,380,991.87/5,139.48
  6. Step 6: Final answer
    x = 4,160.15

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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.