Home / 5,138.98-7,092.17-2,901.06

Finding the Fourth Proportional to 5,138.98, 7,092.17 and 2,901.06

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Solution

The fourth proportional to 5,138.98, 7,092.17 and 2,901.06 is: 4,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.98 : 7,092.17 = 2,901.06 : x
  2. Step 2: Convert to fraction form
    5,138.98/7,092.17 = 2,901.06/x
  3. Step 3: Cross multiply
    5,138.98x = 7,092.17 × 2,901.06
  4. Step 4: Simplify right side
    5,138.98x = 20,574,810.70
  5. Step 5: Solve for x
    x = 20,574,810.70/5,138.98
  6. Step 6: Final answer
    x = 4,003.68

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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.