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Finding the Fourth Proportional to 4,968.63, 7,451.64 and 2,625.48

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Solution

The fourth proportional to 4,968.63, 7,451.64 and 2,625.48 is: 3,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.63 : 7,451.64 = 2,625.48 : x
  2. Step 2: Convert to fraction form
    4,968.63/7,451.64 = 2,625.48/x
  3. Step 3: Cross multiply
    4,968.63x = 7,451.64 × 2,625.48
  4. Step 4: Simplify right side
    4,968.63x = 19,564,131.79
  5. Step 5: Solve for x
    x = 19,564,131.79/4,968.63
  6. Step 6: Final answer
    x = 3,937.53

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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.