Home / 8,423.08-12,639.17-3,496.12

Finding the Fourth Proportional to 8,423.08, 12,639.17 and 3,496.12

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Solution

The fourth proportional to 8,423.08, 12,639.17 and 3,496.12 is: 5,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.08 : 12,639.17 = 3,496.12 : x
  2. Step 2: Convert to fraction form
    8,423.08/12,639.17 = 3,496.12/x
  3. Step 3: Cross multiply
    8,423.08x = 12,639.17 × 3,496.12
  4. Step 4: Simplify right side
    8,423.08x = 44,188,032.16
  5. Step 5: Solve for x
    x = 44,188,032.16/8,423.08
  6. Step 6: Final answer
    x = 5,246.07

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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.