Home / 5,486.78-8,227.65-2,365.29

Finding the Fourth Proportional to 5,486.78, 8,227.65 and 2,365.29

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Solution

The fourth proportional to 5,486.78, 8,227.65 and 2,365.29 is: 3,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.78 : 8,227.65 = 2,365.29 : x
  2. Step 2: Convert to fraction form
    5,486.78/8,227.65 = 2,365.29/x
  3. Step 3: Cross multiply
    5,486.78x = 8,227.65 × 2,365.29
  4. Step 4: Simplify right side
    5,486.78x = 19,460,778.27
  5. Step 5: Solve for x
    x = 19,460,778.27/5,486.78
  6. Step 6: Final answer
    x = 3,546.85

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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.