Home / 4,410.38-6,618.84-1,777.90

Finding the Fourth Proportional to 4,410.38, 6,618.84 and 1,777.90

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Solution

The fourth proportional to 4,410.38, 6,618.84 and 1,777.90 is: 2,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.38 : 6,618.84 = 1,777.90 : x
  2. Step 2: Convert to fraction form
    4,410.38/6,618.84 = 1,777.90/x
  3. Step 3: Cross multiply
    4,410.38x = 6,618.84 × 1,777.90
  4. Step 4: Simplify right side
    4,410.38x = 11,767,635.64
  5. Step 5: Solve for x
    x = 11,767,635.64/4,410.38
  6. Step 6: Final answer
    x = 2,668.17

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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.