Home / 8,719.36-13,081.28-2,563.36

Finding the Fourth Proportional to 8,719.36, 13,081.28 and 2,563.36

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Solution

The fourth proportional to 8,719.36, 13,081.28 and 2,563.36 is: 3,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.36 : 13,081.28 = 2,563.36 : x
  2. Step 2: Convert to fraction form
    8,719.36/13,081.28 = 2,563.36/x
  3. Step 3: Cross multiply
    8,719.36x = 13,081.28 × 2,563.36
  4. Step 4: Simplify right side
    8,719.36x = 33,532,029.90
  5. Step 5: Solve for x
    x = 33,532,029.90/8,719.36
  6. Step 6: Final answer
    x = 3,845.70

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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.