Home / 5,938.21-8,195.34-3,420.46

Finding the Fourth Proportional to 5,938.21, 8,195.34 and 3,420.46

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Solution

The fourth proportional to 5,938.21, 8,195.34 and 3,420.46 is: 4,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.21 : 8,195.34 = 3,420.46 : x
  2. Step 2: Convert to fraction form
    5,938.21/8,195.34 = 3,420.46/x
  3. Step 3: Cross multiply
    5,938.21x = 8,195.34 × 3,420.46
  4. Step 4: Simplify right side
    5,938.21x = 28,031,832.66
  5. Step 5: Solve for x
    x = 28,031,832.66/5,938.21
  6. Step 6: Final answer
    x = 4,720.59

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1.5x scale

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.