Home / 4,382.78-6,566.87-3,081.51

Finding the Fourth Proportional to 4,382.78, 6,566.87 and 3,081.51

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Solution

The fourth proportional to 4,382.78, 6,566.87 and 3,081.51 is: 4,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.78 : 6,566.87 = 3,081.51 : x
  2. Step 2: Convert to fraction form
    4,382.78/6,566.87 = 3,081.51/x
  3. Step 3: Cross multiply
    4,382.78x = 6,566.87 × 3,081.51
  4. Step 4: Simplify right side
    4,382.78x = 20,235,883.28
  5. Step 5: Solve for x
    x = 20,235,883.28/4,382.78
  6. Step 6: Final answer
    x = 4,617.14

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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.