Home / 5,121.99-7,069.46-3,026.43

Finding the Fourth Proportional to 5,121.99, 7,069.46 and 3,026.43

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Solution

The fourth proportional to 5,121.99, 7,069.46 and 3,026.43 is: 4,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.99 : 7,069.46 = 3,026.43 : x
  2. Step 2: Convert to fraction form
    5,121.99/7,069.46 = 3,026.43/x
  3. Step 3: Cross multiply
    5,121.99x = 7,069.46 × 3,026.43
  4. Step 4: Simplify right side
    5,121.99x = 21,395,210.70
  5. Step 5: Solve for x
    x = 21,395,210.70/5,121.99
  6. Step 6: Final answer
    x = 4,177.13

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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.