Home / 5,348.82-7,381.53-2,990.97

Finding the Fourth Proportional to 5,348.82, 7,381.53 and 2,990.97

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Solution

The fourth proportional to 5,348.82, 7,381.53 and 2,990.97 is: 4,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.82 : 7,381.53 = 2,990.97 : x
  2. Step 2: Convert to fraction form
    5,348.82/7,381.53 = 2,990.97/x
  3. Step 3: Cross multiply
    5,348.82x = 7,381.53 × 2,990.97
  4. Step 4: Simplify right side
    5,348.82x = 22,077,934.78
  5. Step 5: Solve for x
    x = 22,077,934.78/5,348.82
  6. Step 6: Final answer
    x = 4,127.63

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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.