Home / 3,713.06-5,568.63-1,115.39

Finding the Fourth Proportional to 3,713.06, 5,568.63 and 1,115.39

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Solution

The fourth proportional to 3,713.06, 5,568.63 and 1,115.39 is: 1,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.06 : 5,568.63 = 1,115.39 : x
  2. Step 2: Convert to fraction form
    3,713.06/5,568.63 = 1,115.39/x
  3. Step 3: Cross multiply
    3,713.06x = 5,568.63 × 1,115.39
  4. Step 4: Simplify right side
    3,713.06x = 6,211,166.37
  5. Step 5: Solve for x
    x = 6,211,166.37/3,713.06
  6. Step 6: Final answer
    x = 1,672.79

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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.