Home / 5,083.39-7,619.01-2,889.10

Finding the Fourth Proportional to 5,083.39, 7,619.01 and 2,889.10

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Solution

The fourth proportional to 5,083.39, 7,619.01 and 2,889.10 is: 4,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.39 : 7,619.01 = 2,889.10 : x
  2. Step 2: Convert to fraction form
    5,083.39/7,619.01 = 2,889.10/x
  3. Step 3: Cross multiply
    5,083.39x = 7,619.01 × 2,889.10
  4. Step 4: Simplify right side
    5,083.39x = 22,012,081.79
  5. Step 5: Solve for x
    x = 22,012,081.79/5,083.39
  6. Step 6: Final answer
    x = 4,330.20

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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.