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Finding the Fourth Proportional to 4,268, 6,404.52 and 1,802.66

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Solution

The fourth proportional to 4,268, 6,404.52 and 1,802.66 is: 2,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268 : 6,404.52 = 1,802.66 : x
  2. Step 2: Convert to fraction form
    4,268/6,404.52 = 1,802.66/x
  3. Step 3: Cross multiply
    4,268x = 6,404.52 × 1,802.66
  4. Step 4: Simplify right side
    4,268x = 11,545,172.02
  5. Step 5: Solve for x
    x = 11,545,172.02/4,268
  6. Step 6: Final answer
    x = 2,705.05

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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.