Home / 4,505.79-6,758.43-1,218.65

Finding the Fourth Proportional to 4,505.79, 6,758.43 and 1,218.65

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Solution

The fourth proportional to 4,505.79, 6,758.43 and 1,218.65 is: 1,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.79 : 6,758.43 = 1,218.65 : x
  2. Step 2: Convert to fraction form
    4,505.79/6,758.43 = 1,218.65/x
  3. Step 3: Cross multiply
    4,505.79x = 6,758.43 × 1,218.65
  4. Step 4: Simplify right side
    4,505.79x = 8,236,126.93
  5. Step 5: Solve for x
    x = 8,236,126.93/4,505.79
  6. Step 6: Final answer
    x = 1,827.90

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Similar ratio
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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.