Home / 3,708.15-5,563.14-1,111.09

Finding the Fourth Proportional to 3,708.15, 5,563.14 and 1,111.09

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Solution

The fourth proportional to 3,708.15, 5,563.14 and 1,111.09 is: 1,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.15 : 5,563.14 = 1,111.09 : x
  2. Step 2: Convert to fraction form
    3,708.15/5,563.14 = 1,111.09/x
  3. Step 3: Cross multiply
    3,708.15x = 5,563.14 × 1,111.09
  4. Step 4: Simplify right side
    3,708.15x = 6,181,115.85
  5. Step 5: Solve for x
    x = 6,181,115.85/3,708.15
  6. Step 6: Final answer
    x = 1,666.90

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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.