Home / 5,231.42-7,847.13-3,284.99

Finding the Fourth Proportional to 5,231.42, 7,847.13 and 3,284.99

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Solution

The fourth proportional to 5,231.42, 7,847.13 and 3,284.99 is: 4,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.42 : 7,847.13 = 3,284.99 : x
  2. Step 2: Convert to fraction form
    5,231.42/7,847.13 = 3,284.99/x
  3. Step 3: Cross multiply
    5,231.42x = 7,847.13 × 3,284.99
  4. Step 4: Simplify right side
    5,231.42x = 25,777,775.52
  5. Step 5: Solve for x
    x = 25,777,775.52/5,231.42
  6. Step 6: Final answer
    x = 4,927.49

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Similar ratio
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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.