Home / 5,616.78-8,418.33-3,973.80

Finding the Fourth Proportional to 5,616.78, 8,418.33 and 3,973.80

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Solution

The fourth proportional to 5,616.78, 8,418.33 and 3,973.80 is: 5,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.78 : 8,418.33 = 3,973.80 : x
  2. Step 2: Convert to fraction form
    5,616.78/8,418.33 = 3,973.80/x
  3. Step 3: Cross multiply
    5,616.78x = 8,418.33 × 3,973.80
  4. Step 4: Simplify right side
    5,616.78x = 33,452,717.66
  5. Step 5: Solve for x
    x = 33,452,717.66/5,616.78
  6. Step 6: Final answer
    x = 5,955.86

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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.