Home / 5,722.78-7,897.44-3,204.89

Finding the Fourth Proportional to 5,722.78, 7,897.44 and 3,204.89

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Solution

The fourth proportional to 5,722.78, 7,897.44 and 3,204.89 is: 4,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.78 : 7,897.44 = 3,204.89 : x
  2. Step 2: Convert to fraction form
    5,722.78/7,897.44 = 3,204.89/x
  3. Step 3: Cross multiply
    5,722.78x = 7,897.44 × 3,204.89
  4. Step 4: Simplify right side
    5,722.78x = 25,310,426.48
  5. Step 5: Solve for x
    x = 25,310,426.48/5,722.78
  6. Step 6: Final answer
    x = 4,422.75

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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.