Home / 4,191.88-6,289.26-1,270.84

Finding the Fourth Proportional to 4,191.88, 6,289.26 and 1,270.84

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Solution

The fourth proportional to 4,191.88, 6,289.26 and 1,270.84 is: 1,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.88 : 6,289.26 = 1,270.84 : x
  2. Step 2: Convert to fraction form
    4,191.88/6,289.26 = 1,270.84/x
  3. Step 3: Cross multiply
    4,191.88x = 6,289.26 × 1,270.84
  4. Step 4: Simplify right side
    4,191.88x = 7,992,643.18
  5. Step 5: Solve for x
    x = 7,992,643.18/4,191.88
  6. Step 6: Final answer
    x = 1,906.70

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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.