Home / 7,895.48-11,847.33-3,218.94

Finding the Fourth Proportional to 7,895.48, 11,847.33 and 3,218.94

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Solution

The fourth proportional to 7,895.48, 11,847.33 and 3,218.94 is: 4,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.48 : 11,847.33 = 3,218.94 : x
  2. Step 2: Convert to fraction form
    7,895.48/11,847.33 = 3,218.94/x
  3. Step 3: Cross multiply
    7,895.48x = 11,847.33 × 3,218.94
  4. Step 4: Simplify right side
    7,895.48x = 38,135,844.43
  5. Step 5: Solve for x
    x = 38,135,844.43/7,895.48
  6. Step 6: Final answer
    x = 4,830.09

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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.