Home / 8,716.20-13,063.36-4,325.79

Finding the Fourth Proportional to 8,716.20, 13,063.36 and 4,325.79

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Solution

The fourth proportional to 8,716.20, 13,063.36 and 4,325.79 is: 6,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.20 : 13,063.36 = 4,325.79 : x
  2. Step 2: Convert to fraction form
    8,716.20/13,063.36 = 4,325.79/x
  3. Step 3: Cross multiply
    8,716.20x = 13,063.36 × 4,325.79
  4. Step 4: Simplify right side
    8,716.20x = 56,509,352.05
  5. Step 5: Solve for x
    x = 56,509,352.05/8,716.20
  6. Step 6: Final answer
    x = 6,483.26

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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.