Home / 8,329.87-12,485.09-3,060.91

Finding the Fourth Proportional to 8,329.87, 12,485.09 and 3,060.91

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Solution

The fourth proportional to 8,329.87, 12,485.09 and 3,060.91 is: 4,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.87 : 12,485.09 = 3,060.91 : x
  2. Step 2: Convert to fraction form
    8,329.87/12,485.09 = 3,060.91/x
  3. Step 3: Cross multiply
    8,329.87x = 12,485.09 × 3,060.91
  4. Step 4: Simplify right side
    8,329.87x = 38,215,760.09
  5. Step 5: Solve for x
    x = 38,215,760.09/8,329.87
  6. Step 6: Final answer
    x = 4,587.80

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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.