Home / 4,129.31-6,194.88-1,207.85

Finding the Fourth Proportional to 4,129.31, 6,194.88 and 1,207.85

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Solution

The fourth proportional to 4,129.31, 6,194.88 and 1,207.85 is: 1,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.31 : 6,194.88 = 1,207.85 : x
  2. Step 2: Convert to fraction form
    4,129.31/6,194.88 = 1,207.85/x
  3. Step 3: Cross multiply
    4,129.31x = 6,194.88 × 1,207.85
  4. Step 4: Simplify right side
    4,129.31x = 7,482,454.83
  5. Step 5: Solve for x
    x = 7,482,454.83/4,129.31
  6. Step 6: Final answer
    x = 1,812.03

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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.