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Finding the Fourth Proportional to 4,617, 6,372 and 2,628.18

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Solution

The fourth proportional to 4,617, 6,372 and 2,628.18 is: 3,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617 : 6,372 = 2,628.18 : x
  2. Step 2: Convert to fraction form
    4,617/6,372 = 2,628.18/x
  3. Step 3: Cross multiply
    4,617x = 6,372 × 2,628.18
  4. Step 4: Simplify right side
    4,617x = 16,746,762.96
  5. Step 5: Solve for x
    x = 16,746,762.96/4,617
  6. Step 6: Final answer
    x = 3,627.20

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Why These Related Problems?

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