Home / 4,129.10-6,194.07-1,207.38

Finding the Fourth Proportional to 4,129.10, 6,194.07 and 1,207.38

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Solution

The fourth proportional to 4,129.10, 6,194.07 and 1,207.38 is: 1,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.10 : 6,194.07 = 1,207.38 : x
  2. Step 2: Convert to fraction form
    4,129.10/6,194.07 = 1,207.38/x
  3. Step 3: Cross multiply
    4,129.10x = 6,194.07 × 1,207.38
  4. Step 4: Simplify right side
    4,129.10x = 7,478,596.24
  5. Step 5: Solve for x
    x = 7,478,596.24/4,129.10
  6. Step 6: Final answer
    x = 1,811.20

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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.