Home / 8,428.52-12,635.04-3,233.36

Finding the Fourth Proportional to 8,428.52, 12,635.04 and 3,233.36

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Solution

The fourth proportional to 8,428.52, 12,635.04 and 3,233.36 is: 4,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.52 : 12,635.04 = 3,233.36 : x
  2. Step 2: Convert to fraction form
    8,428.52/12,635.04 = 3,233.36/x
  3. Step 3: Cross multiply
    8,428.52x = 12,635.04 × 3,233.36
  4. Step 4: Simplify right side
    8,428.52x = 40,853,632.93
  5. Step 5: Solve for x
    x = 40,853,632.93/8,428.52
  6. Step 6: Final answer
    x = 4,847.07

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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.