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Finding the Fourth Proportional to 4,930.72, 6,802.28 and 2,834.40

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Solution

The fourth proportional to 4,930.72, 6,802.28 and 2,834.40 is: 3,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.72 : 6,802.28 = 2,834.40 : x
  2. Step 2: Convert to fraction form
    4,930.72/6,802.28 = 2,834.40/x
  3. Step 3: Cross multiply
    4,930.72x = 6,802.28 × 2,834.40
  4. Step 4: Simplify right side
    4,930.72x = 19,280,382.43
  5. Step 5: Solve for x
    x = 19,280,382.43/4,930.72
  6. Step 6: Final answer
    x = 3,910.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.