Home / 8,095.35-12,120.59-4,138.08

Finding the Fourth Proportional to 8,095.35, 12,120.59 and 4,138.08

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Solution

The fourth proportional to 8,095.35, 12,120.59 and 4,138.08 is: 6,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.35 : 12,120.59 = 4,138.08 : x
  2. Step 2: Convert to fraction form
    8,095.35/12,120.59 = 4,138.08/x
  3. Step 3: Cross multiply
    8,095.35x = 12,120.59 × 4,138.08
  4. Step 4: Simplify right side
    8,095.35x = 50,155,998.53
  5. Step 5: Solve for x
    x = 50,155,998.53/8,095.35
  6. Step 6: Final answer
    x = 6,195.66

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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.