Home / 4,650.35-6,969.58-2,179.72

Finding the Fourth Proportional to 4,650.35, 6,969.58 and 2,179.72

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Solution

The fourth proportional to 4,650.35, 6,969.58 and 2,179.72 is: 3,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.35 : 6,969.58 = 2,179.72 : x
  2. Step 2: Convert to fraction form
    4,650.35/6,969.58 = 2,179.72/x
  3. Step 3: Cross multiply
    4,650.35x = 6,969.58 × 2,179.72
  4. Step 4: Simplify right side
    4,650.35x = 15,191,744.35
  5. Step 5: Solve for x
    x = 15,191,744.35/4,650.35
  6. Step 6: Final answer
    x = 3,266.80

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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.