Home / 7,847.24-11,772.30-3,227.72

Finding the Fourth Proportional to 7,847.24, 11,772.30 and 3,227.72

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Solution

The fourth proportional to 7,847.24, 11,772.30 and 3,227.72 is: 4,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.24 : 11,772.30 = 3,227.72 : x
  2. Step 2: Convert to fraction form
    7,847.24/11,772.30 = 3,227.72/x
  3. Step 3: Cross multiply
    7,847.24x = 11,772.30 × 3,227.72
  4. Step 4: Simplify right side
    7,847.24x = 37,997,688.16
  5. Step 5: Solve for x
    x = 37,997,688.16/7,847.24
  6. Step 6: Final answer
    x = 4,842.17

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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.