Home / 5,231.49-7,847.58-2,309.82

Finding the Fourth Proportional to 5,231.49, 7,847.58 and 2,309.82

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Solution

The fourth proportional to 5,231.49, 7,847.58 and 2,309.82 is: 3,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.49 : 7,847.58 = 2,309.82 : x
  2. Step 2: Convert to fraction form
    5,231.49/7,847.58 = 2,309.82/x
  3. Step 3: Cross multiply
    5,231.49x = 7,847.58 × 2,309.82
  4. Step 4: Simplify right side
    5,231.49x = 18,126,476.47
  5. Step 5: Solve for x
    x = 18,126,476.47/5,231.49
  6. Step 6: Final answer
    x = 3,464.88

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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.