Home / 6,402.24-9,604.98-3,939.84

Finding the Fourth Proportional to 6,402.24, 9,604.98 and 3,939.84

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Solution

The fourth proportional to 6,402.24, 9,604.98 and 3,939.84 is: 5,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.24 : 9,604.98 = 3,939.84 : x
  2. Step 2: Convert to fraction form
    6,402.24/9,604.98 = 3,939.84/x
  3. Step 3: Cross multiply
    6,402.24x = 9,604.98 × 3,939.84
  4. Step 4: Simplify right side
    6,402.24x = 37,842,084.40
  5. Step 5: Solve for x
    x = 37,842,084.40/6,402.24
  6. Step 6: Final answer
    x = 5,910.76

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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.