Home / 4,129.13-6,194.24-1,207.39

Finding the Fourth Proportional to 4,129.13, 6,194.24 and 1,207.39

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Solution

The fourth proportional to 4,129.13, 6,194.24 and 1,207.39 is: 1,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.13 : 6,194.24 = 1,207.39 : x
  2. Step 2: Convert to fraction form
    4,129.13/6,194.24 = 1,207.39/x
  3. Step 3: Cross multiply
    4,129.13x = 6,194.24 × 1,207.39
  4. Step 4: Simplify right side
    4,129.13x = 7,478,863.43
  5. Step 5: Solve for x
    x = 7,478,863.43/4,129.13
  6. Step 6: Final answer
    x = 1,811.24

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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.