Home / 8,318.08-12,480.32-3,701.12

Finding the Fourth Proportional to 8,318.08, 12,480.32 and 3,701.12

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Solution

The fourth proportional to 8,318.08, 12,480.32 and 3,701.12 is: 5,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.08 : 12,480.32 = 3,701.12 : x
  2. Step 2: Convert to fraction form
    8,318.08/12,480.32 = 3,701.12/x
  3. Step 3: Cross multiply
    8,318.08x = 12,480.32 × 3,701.12
  4. Step 4: Simplify right side
    8,318.08x = 46,191,161.96
  5. Step 5: Solve for x
    x = 46,191,161.96/8,318.08
  6. Step 6: Final answer
    x = 5,553.10

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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.