Home / 4,220.96-6,334.61-1,591.07

Finding the Fourth Proportional to 4,220.96, 6,334.61 and 1,591.07

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Solution

The fourth proportional to 4,220.96, 6,334.61 and 1,591.07 is: 2,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.96 : 6,334.61 = 1,591.07 : x
  2. Step 2: Convert to fraction form
    4,220.96/6,334.61 = 1,591.07/x
  3. Step 3: Cross multiply
    4,220.96x = 6,334.61 × 1,591.07
  4. Step 4: Simplify right side
    4,220.96x = 10,078,768.30
  5. Step 5: Solve for x
    x = 10,078,768.30/4,220.96
  6. Step 6: Final answer
    x = 2,387.79

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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.