Home / 8,432.94-12,651.06-3,238.38

Finding the Fourth Proportional to 8,432.94, 12,651.06 and 3,238.38

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Solution

The fourth proportional to 8,432.94, 12,651.06 and 3,238.38 is: 4,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.94 : 12,651.06 = 3,238.38 : x
  2. Step 2: Convert to fraction form
    8,432.94/12,651.06 = 3,238.38/x
  3. Step 3: Cross multiply
    8,432.94x = 12,651.06 × 3,238.38
  4. Step 4: Simplify right side
    8,432.94x = 40,968,939.68
  5. Step 5: Solve for x
    x = 40,968,939.68/8,432.94
  6. Step 6: Final answer
    x = 4,858.20

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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.