Home / 4,505.40-6,758.09-1,218.49

Finding the Fourth Proportional to 4,505.40, 6,758.09 and 1,218.49

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Solution

The fourth proportional to 4,505.40, 6,758.09 and 1,218.49 is: 1,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.40 : 6,758.09 = 1,218.49 : x
  2. Step 2: Convert to fraction form
    4,505.40/6,758.09 = 1,218.49/x
  3. Step 3: Cross multiply
    4,505.40x = 6,758.09 × 1,218.49
  4. Step 4: Simplify right side
    4,505.40x = 8,234,665.08
  5. Step 5: Solve for x
    x = 8,234,665.08/4,505.40
  6. Step 6: Final answer
    x = 1,827.73

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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.