Home / 8,256.79-12,382.08-3,324.75

Finding the Fourth Proportional to 8,256.79, 12,382.08 and 3,324.75

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Solution

The fourth proportional to 8,256.79, 12,382.08 and 3,324.75 is: 4,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.79 : 12,382.08 = 3,324.75 : x
  2. Step 2: Convert to fraction form
    8,256.79/12,382.08 = 3,324.75/x
  3. Step 3: Cross multiply
    8,256.79x = 12,382.08 × 3,324.75
  4. Step 4: Simplify right side
    8,256.79x = 41,167,320.48
  5. Step 5: Solve for x
    x = 41,167,320.48/8,256.79
  6. Step 6: Final answer
    x = 4,985.87

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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.