Home / 5,231.71-7,847.41-1,282.98

Finding the Fourth Proportional to 5,231.71, 7,847.41 and 1,282.98

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Solution

The fourth proportional to 5,231.71, 7,847.41 and 1,282.98 is: 1,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.71 : 7,847.41 = 1,282.98 : x
  2. Step 2: Convert to fraction form
    5,231.71/7,847.41 = 1,282.98/x
  3. Step 3: Cross multiply
    5,231.71x = 7,847.41 × 1,282.98
  4. Step 4: Simplify right side
    5,231.71x = 10,068,093.90
  5. Step 5: Solve for x
    x = 10,068,093.90/5,231.71
  6. Step 6: Final answer
    x = 1,924.44

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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.