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Finding the Fourth Proportional to 4,913.44, 7,360.44 and 2,308.48

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Solution

The fourth proportional to 4,913.44, 7,360.44 and 2,308.48 is: 3,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.44 : 7,360.44 = 2,308.48 : x
  2. Step 2: Convert to fraction form
    4,913.44/7,360.44 = 2,308.48/x
  3. Step 3: Cross multiply
    4,913.44x = 7,360.44 × 2,308.48
  4. Step 4: Simplify right side
    4,913.44x = 16,991,428.53
  5. Step 5: Solve for x
    x = 16,991,428.53/4,913.44
  6. Step 6: Final answer
    x = 3,458.15

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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.