Home / 5,139.35-7,092.62-2,900.41

Finding the Fourth Proportional to 5,139.35, 7,092.62 and 2,900.41

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Solution

The fourth proportional to 5,139.35, 7,092.62 and 2,900.41 is: 4,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.35 : 7,092.62 = 2,900.41 : x
  2. Step 2: Convert to fraction form
    5,139.35/7,092.62 = 2,900.41/x
  3. Step 3: Cross multiply
    5,139.35x = 7,092.62 × 2,900.41
  4. Step 4: Simplify right side
    5,139.35x = 20,571,505.97
  5. Step 5: Solve for x
    x = 20,571,505.97/5,139.35
  6. Step 6: Final answer
    x = 4,002.74

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1.5x scale

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.