Home / 4,518.17-6,776.01-2,179.70

Finding the Fourth Proportional to 4,518.17, 6,776.01 and 2,179.70

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Solution

The fourth proportional to 4,518.17, 6,776.01 and 2,179.70 is: 3,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.17 : 6,776.01 = 2,179.70 : x
  2. Step 2: Convert to fraction form
    4,518.17/6,776.01 = 2,179.70/x
  3. Step 3: Cross multiply
    4,518.17x = 6,776.01 × 2,179.70
  4. Step 4: Simplify right side
    4,518.17x = 14,769,669.00
  5. Step 5: Solve for x
    x = 14,769,669.00/4,518.17
  6. Step 6: Final answer
    x = 3,268.95

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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.