Home / 8,324.11-12,486.59-2,777.23

Finding the Fourth Proportional to 8,324.11, 12,486.59 and 2,777.23

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Solution

The fourth proportional to 8,324.11, 12,486.59 and 2,777.23 is: 4,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.11 : 12,486.59 = 2,777.23 : x
  2. Step 2: Convert to fraction form
    8,324.11/12,486.59 = 2,777.23/x
  3. Step 3: Cross multiply
    8,324.11x = 12,486.59 × 2,777.23
  4. Step 4: Simplify right side
    8,324.11x = 34,678,118.46
  5. Step 5: Solve for x
    x = 34,678,118.46/8,324.11
  6. Step 6: Final answer
    x = 4,165.99

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1.5x scale

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.