Home / 8,260.27-12,387.16-3,328.99

Finding the Fourth Proportional to 8,260.27, 12,387.16 and 3,328.99

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Solution

The fourth proportional to 8,260.27, 12,387.16 and 3,328.99 is: 4,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.27 : 12,387.16 = 3,328.99 : x
  2. Step 2: Convert to fraction form
    8,260.27/12,387.16 = 3,328.99/x
  3. Step 3: Cross multiply
    8,260.27x = 12,387.16 × 3,328.99
  4. Step 4: Simplify right side
    8,260.27x = 41,236,731.77
  5. Step 5: Solve for x
    x = 41,236,731.77/8,260.27
  6. Step 6: Final answer
    x = 4,992.18

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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.