Home / 5,139.73-7,092.39-2,901.70

Finding the Fourth Proportional to 5,139.73, 7,092.39 and 2,901.70

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Solution

The fourth proportional to 5,139.73, 7,092.39 and 2,901.70 is: 4,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.73 : 7,092.39 = 2,901.70 : x
  2. Step 2: Convert to fraction form
    5,139.73/7,092.39 = 2,901.70/x
  3. Step 3: Cross multiply
    5,139.73x = 7,092.39 × 2,901.70
  4. Step 4: Simplify right side
    5,139.73x = 20,579,988.06
  5. Step 5: Solve for x
    x = 20,579,988.06/5,139.73
  6. Step 6: Final answer
    x = 4,004.10

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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.