Home / 8,721.92-13,063.08-4,329.56

Finding the Fourth Proportional to 8,721.92, 13,063.08 and 4,329.56

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Solution

The fourth proportional to 8,721.92, 13,063.08 and 4,329.56 is: 6,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.92 : 13,063.08 = 4,329.56 : x
  2. Step 2: Convert to fraction form
    8,721.92/13,063.08 = 4,329.56/x
  3. Step 3: Cross multiply
    8,721.92x = 13,063.08 × 4,329.56
  4. Step 4: Simplify right side
    8,721.92x = 56,557,388.64
  5. Step 5: Solve for x
    x = 56,557,388.64/8,721.92
  6. Step 6: Final answer
    x = 6,484.51

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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.