Home / 5,938.11-8,191.53-4,820.31

Finding the Fourth Proportional to 5,938.11, 8,191.53 and 4,820.31

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Solution

The fourth proportional to 5,938.11, 8,191.53 and 4,820.31 is: 6,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.11 : 8,191.53 = 4,820.31 : x
  2. Step 2: Convert to fraction form
    5,938.11/8,191.53 = 4,820.31/x
  3. Step 3: Cross multiply
    5,938.11x = 8,191.53 × 4,820.31
  4. Step 4: Simplify right side
    5,938.11x = 39,485,713.97
  5. Step 5: Solve for x
    x = 39,485,713.97/5,938.11
  6. Step 6: Final answer
    x = 6,649.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.