Home / 8,724.92-13,087.32-3,530.72

Finding the Fourth Proportional to 8,724.92, 13,087.32 and 3,530.72

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Solution

The fourth proportional to 8,724.92, 13,087.32 and 3,530.72 is: 5,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.92 : 13,087.32 = 3,530.72 : x
  2. Step 2: Convert to fraction form
    8,724.92/13,087.32 = 3,530.72/x
  3. Step 3: Cross multiply
    8,724.92x = 13,087.32 × 3,530.72
  4. Step 4: Simplify right side
    8,724.92x = 46,207,662.47
  5. Step 5: Solve for x
    x = 46,207,662.47/8,724.92
  6. Step 6: Final answer
    x = 5,296.06

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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.