Home / 4,647.04-6,965.64-2,179.78

Finding the Fourth Proportional to 4,647.04, 6,965.64 and 2,179.78

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Solution

The fourth proportional to 4,647.04, 6,965.64 and 2,179.78 is: 3,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.04 : 6,965.64 = 2,179.78 : x
  2. Step 2: Convert to fraction form
    4,647.04/6,965.64 = 2,179.78/x
  3. Step 3: Cross multiply
    4,647.04x = 6,965.64 × 2,179.78
  4. Step 4: Simplify right side
    4,647.04x = 15,183,562.76
  5. Step 5: Solve for x
    x = 15,183,562.76/4,647.04
  6. Step 6: Final answer
    x = 3,267.36

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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.