Home / 5,360.90-8,043.64-2,765.66

Finding the Fourth Proportional to 5,360.90, 8,043.64 and 2,765.66

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Solution

The fourth proportional to 5,360.90, 8,043.64 and 2,765.66 is: 4,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.90 : 8,043.64 = 2,765.66 : x
  2. Step 2: Convert to fraction form
    5,360.90/8,043.64 = 2,765.66/x
  3. Step 3: Cross multiply
    5,360.90x = 8,043.64 × 2,765.66
  4. Step 4: Simplify right side
    5,360.90x = 22,245,926.27
  5. Step 5: Solve for x
    x = 22,245,926.27/5,360.90
  6. Step 6: Final answer
    x = 4,149.67

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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.