Home / 6,243.80-8,616.36-3,591.24

Finding the Fourth Proportional to 6,243.80, 8,616.36 and 3,591.24

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Solution

The fourth proportional to 6,243.80, 8,616.36 and 3,591.24 is: 4,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.80 : 8,616.36 = 3,591.24 : x
  2. Step 2: Convert to fraction form
    6,243.80/8,616.36 = 3,591.24/x
  3. Step 3: Cross multiply
    6,243.80x = 8,616.36 × 3,591.24
  4. Step 4: Simplify right side
    6,243.80x = 30,943,416.69
  5. Step 5: Solve for x
    x = 30,943,416.69/6,243.80
  6. Step 6: Final answer
    x = 4,955.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.