Home / 5,738.28-7,918.90-3,499.88

Finding the Fourth Proportional to 5,738.28, 7,918.90 and 3,499.88

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Solution

The fourth proportional to 5,738.28, 7,918.90 and 3,499.88 is: 4,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.28 : 7,918.90 = 3,499.88 : x
  2. Step 2: Convert to fraction form
    5,738.28/7,918.90 = 3,499.88/x
  3. Step 3: Cross multiply
    5,738.28x = 7,918.90 × 3,499.88
  4. Step 4: Simplify right side
    5,738.28x = 27,715,199.73
  5. Step 5: Solve for x
    x = 27,715,199.73/5,738.28
  6. Step 6: Final answer
    x = 4,829.88

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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.