Home / 6,399.45-9,599.58-2,239.29

Finding the Fourth Proportional to 6,399.45, 9,599.58 and 2,239.29

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Solution

The fourth proportional to 6,399.45, 9,599.58 and 2,239.29 is: 3,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.45 : 9,599.58 = 2,239.29 : x
  2. Step 2: Convert to fraction form
    6,399.45/9,599.58 = 2,239.29/x
  3. Step 3: Cross multiply
    6,399.45x = 9,599.58 × 2,239.29
  4. Step 4: Simplify right side
    6,399.45x = 21,496,243.50
  5. Step 5: Solve for x
    x = 21,496,243.50/6,399.45
  6. Step 6: Final answer
    x = 3,359.08

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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.