Home / 5,619.32-7,755.84-3,731.06

Finding the Fourth Proportional to 5,619.32, 7,755.84 and 3,731.06

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Solution

The fourth proportional to 5,619.32, 7,755.84 and 3,731.06 is: 5,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.32 : 7,755.84 = 3,731.06 : x
  2. Step 2: Convert to fraction form
    5,619.32/7,755.84 = 3,731.06/x
  3. Step 3: Cross multiply
    5,619.32x = 7,755.84 × 3,731.06
  4. Step 4: Simplify right side
    5,619.32x = 28,937,504.39
  5. Step 5: Solve for x
    x = 28,937,504.39/5,619.32
  6. Step 6: Final answer
    x = 5,149.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.