Home / 7,945.08-11,919.78-4,659.18

Finding the Fourth Proportional to 7,945.08, 11,919.78 and 4,659.18

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Solution

The fourth proportional to 7,945.08, 11,919.78 and 4,659.18 is: 6,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.08 : 11,919.78 = 4,659.18 : x
  2. Step 2: Convert to fraction form
    7,945.08/11,919.78 = 4,659.18/x
  3. Step 3: Cross multiply
    7,945.08x = 11,919.78 × 4,659.18
  4. Step 4: Simplify right side
    7,945.08x = 55,536,400.58
  5. Step 5: Solve for x
    x = 55,536,400.58/7,945.08
  6. Step 6: Final answer
    x = 6,990.04

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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.