Home / 8,282.08-12,423.45-3,896.47

Finding the Fourth Proportional to 8,282.08, 12,423.45 and 3,896.47

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Solution

The fourth proportional to 8,282.08, 12,423.45 and 3,896.47 is: 5,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.08 : 12,423.45 = 3,896.47 : x
  2. Step 2: Convert to fraction form
    8,282.08/12,423.45 = 3,896.47/x
  3. Step 3: Cross multiply
    8,282.08x = 12,423.45 × 3,896.47
  4. Step 4: Simplify right side
    8,282.08x = 48,407,600.22
  5. Step 5: Solve for x
    x = 48,407,600.22/8,282.08
  6. Step 6: Final answer
    x = 5,844.86

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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.