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Finding the Fourth Proportional to 4,863, 7,294.50 and 1,785.72

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Solution

The fourth proportional to 4,863, 7,294.50 and 1,785.72 is: 2,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863 : 7,294.50 = 1,785.72 : x
  2. Step 2: Convert to fraction form
    4,863/7,294.50 = 1,785.72/x
  3. Step 3: Cross multiply
    4,863x = 7,294.50 × 1,785.72
  4. Step 4: Simplify right side
    4,863x = 13,025,934.54
  5. Step 5: Solve for x
    x = 13,025,934.54/4,863
  6. Step 6: Final answer
    x = 2,678.58

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Double scale
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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.