Home / 4,388.16-6,583.68-2,081.28

Finding the Fourth Proportional to 4,388.16, 6,583.68 and 2,081.28

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Solution

The fourth proportional to 4,388.16, 6,583.68 and 2,081.28 is: 3,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.16 : 6,583.68 = 2,081.28 : x
  2. Step 2: Convert to fraction form
    4,388.16/6,583.68 = 2,081.28/x
  3. Step 3: Cross multiply
    4,388.16x = 6,583.68 × 2,081.28
  4. Step 4: Simplify right side
    4,388.16x = 13,702,481.51
  5. Step 5: Solve for x
    x = 13,702,481.51/4,388.16
  6. Step 6: Final answer
    x = 3,122.60

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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.