Home / 5,360.31-8,031.24-4,189.86

Finding the Fourth Proportional to 5,360.31, 8,031.24 and 4,189.86

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Solution

The fourth proportional to 5,360.31, 8,031.24 and 4,189.86 is: 6,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.31 : 8,031.24 = 4,189.86 : x
  2. Step 2: Convert to fraction form
    5,360.31/8,031.24 = 4,189.86/x
  3. Step 3: Cross multiply
    5,360.31x = 8,031.24 × 4,189.86
  4. Step 4: Simplify right side
    5,360.31x = 33,649,771.23
  5. Step 5: Solve for x
    x = 33,649,771.23/5,360.31
  6. Step 6: Final answer
    x = 6,277.58

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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.