Home / 5,240.24-7,224.84-3,982.64

Finding the Fourth Proportional to 5,240.24, 7,224.84 and 3,982.64

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Solution

The fourth proportional to 5,240.24, 7,224.84 and 3,982.64 is: 5,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.24 : 7,224.84 = 3,982.64 : x
  2. Step 2: Convert to fraction form
    5,240.24/7,224.84 = 3,982.64/x
  3. Step 3: Cross multiply
    5,240.24x = 7,224.84 × 3,982.64
  4. Step 4: Simplify right side
    5,240.24x = 28,773,936.78
  5. Step 5: Solve for x
    x = 28,773,936.78/5,240.24
  6. Step 6: Final answer
    x = 5,490.96

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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.