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Finding the Fourth Proportional to 4,912.14, 7,368.21 and 4,044.63

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Solution

The fourth proportional to 4,912.14, 7,368.21 and 4,044.63 is: 6,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.14 : 7,368.21 = 4,044.63 : x
  2. Step 2: Convert to fraction form
    4,912.14/7,368.21 = 4,044.63/x
  3. Step 3: Cross multiply
    4,912.14x = 7,368.21 × 4,044.63
  4. Step 4: Simplify right side
    4,912.14x = 29,801,683.21
  5. Step 5: Solve for x
    x = 29,801,683.21/4,912.14
  6. Step 6: Final answer
    x = 6,066.95

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1.5x scale

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.