Home / 4,224.30-6,336.45-1,591.80

Finding the Fourth Proportional to 4,224.30, 6,336.45 and 1,591.80

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Solution

The fourth proportional to 4,224.30, 6,336.45 and 1,591.80 is: 2,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,224.30 : 6,336.45 = 1,591.80 : x
  2. Step 2: Convert to fraction form
    4,224.30/6,336.45 = 1,591.80/x
  3. Step 3: Cross multiply
    4,224.30x = 6,336.45 × 1,591.80
  4. Step 4: Simplify right side
    4,224.30x = 10,086,361.11
  5. Step 5: Solve for x
    x = 10,086,361.11/4,224.30
  6. Step 6: Final answer
    x = 2,387.70

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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.