Home / 5,348.20-8,022.78-1,885.48

Finding the Fourth Proportional to 5,348.20, 8,022.78 and 1,885.48

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Solution

The fourth proportional to 5,348.20, 8,022.78 and 1,885.48 is: 2,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.20 : 8,022.78 = 1,885.48 : x
  2. Step 2: Convert to fraction form
    5,348.20/8,022.78 = 1,885.48/x
  3. Step 3: Cross multiply
    5,348.20x = 8,022.78 × 1,885.48
  4. Step 4: Simplify right side
    5,348.20x = 15,126,791.23
  5. Step 5: Solve for x
    x = 15,126,791.23/5,348.20
  6. Step 6: Final answer
    x = 2,828.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.