Home / 5,160.24-7,122.06-3,064.50

Finding the Fourth Proportional to 5,160.24, 7,122.06 and 3,064.50

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Solution

The fourth proportional to 5,160.24, 7,122.06 and 3,064.50 is: 4,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.24 : 7,122.06 = 3,064.50 : x
  2. Step 2: Convert to fraction form
    5,160.24/7,122.06 = 3,064.50/x
  3. Step 3: Cross multiply
    5,160.24x = 7,122.06 × 3,064.50
  4. Step 4: Simplify right side
    5,160.24x = 21,825,552.87
  5. Step 5: Solve for x
    x = 21,825,552.87/5,160.24
  6. Step 6: Final answer
    x = 4,229.56

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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.