Home / 5,139.67-7,092.89-3,043.80

Finding the Fourth Proportional to 5,139.67, 7,092.89 and 3,043.80

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Solution

The fourth proportional to 5,139.67, 7,092.89 and 3,043.80 is: 4,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.67 : 7,092.89 = 3,043.80 : x
  2. Step 2: Convert to fraction form
    5,139.67/7,092.89 = 3,043.80/x
  3. Step 3: Cross multiply
    5,139.67x = 7,092.89 × 3,043.80
  4. Step 4: Simplify right side
    5,139.67x = 21,589,338.58
  5. Step 5: Solve for x
    x = 21,589,338.58/5,139.67
  6. Step 6: Final answer
    x = 4,200.53

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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.