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Finding the Fourth Proportional to 4,508, 6,221.16 and 2,518.50

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Solution

The fourth proportional to 4,508, 6,221.16 and 2,518.50 is: 3,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508 : 6,221.16 = 2,518.50 : x
  2. Step 2: Convert to fraction form
    4,508/6,221.16 = 2,518.50/x
  3. Step 3: Cross multiply
    4,508x = 6,221.16 × 2,518.50
  4. Step 4: Simplify right side
    4,508x = 15,667,991.46
  5. Step 5: Solve for x
    x = 15,667,991.46/4,508
  6. Step 6: Final answer
    x = 3,475.60

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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.