Home / 4,119.12-6,179.28-1,197.05

Finding the Fourth Proportional to 4,119.12, 6,179.28 and 1,197.05

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Solution

The fourth proportional to 4,119.12, 6,179.28 and 1,197.05 is: 1,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.12 : 6,179.28 = 1,197.05 : x
  2. Step 2: Convert to fraction form
    4,119.12/6,179.28 = 1,197.05/x
  3. Step 3: Cross multiply
    4,119.12x = 6,179.28 × 1,197.05
  4. Step 4: Simplify right side
    4,119.12x = 7,396,876.23
  5. Step 5: Solve for x
    x = 7,396,876.23/4,119.12
  6. Step 6: Final answer
    x = 1,795.74

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Double scale
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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.