Home / 8,262.27-12,390.16-3,330.99

Finding the Fourth Proportional to 8,262.27, 12,390.16 and 3,330.99

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Solution

The fourth proportional to 8,262.27, 12,390.16 and 3,330.99 is: 4,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.27 : 12,390.16 = 3,330.99 : x
  2. Step 2: Convert to fraction form
    8,262.27/12,390.16 = 3,330.99/x
  3. Step 3: Cross multiply
    8,262.27x = 12,390.16 × 3,330.99
  4. Step 4: Simplify right side
    8,262.27x = 41,271,499.06
  5. Step 5: Solve for x
    x = 41,271,499.06/8,262.27
  6. Step 6: Final answer
    x = 4,995.18

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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.