Home / 6,500.55-9,749.83-2,118

Finding the Fourth Proportional to 6,500.55, 9,749.83 and 2,118

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Solution

The fourth proportional to 6,500.55, 9,749.83 and 2,118 is: 3,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.55 : 9,749.83 = 2,118 : x
  2. Step 2: Convert to fraction form
    6,500.55/9,749.83 = 2,118/x
  3. Step 3: Cross multiply
    6,500.55x = 9,749.83 × 2,118
  4. Step 4: Simplify right side
    6,500.55x = 20,650,139.94
  5. Step 5: Solve for x
    x = 20,650,139.94/6,500.55
  6. Step 6: Final answer
    x = 3,176.68

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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.