Home / 5,561.61-8,338.48-2,786.29

Finding the Fourth Proportional to 5,561.61, 8,338.48 and 2,786.29

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Solution

The fourth proportional to 5,561.61, 8,338.48 and 2,786.29 is: 4,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.61 : 8,338.48 = 2,786.29 : x
  2. Step 2: Convert to fraction form
    5,561.61/8,338.48 = 2,786.29/x
  3. Step 3: Cross multiply
    5,561.61x = 8,338.48 × 2,786.29
  4. Step 4: Simplify right side
    5,561.61x = 23,233,423.44
  5. Step 5: Solve for x
    x = 23,233,423.44/5,561.61
  6. Step 6: Final answer
    x = 4,177.46

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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.