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Finding the Fourth Proportional to 7,414.72, 10,209 and 6,293.32

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Solution

The fourth proportional to 7,414.72, 10,209 and 6,293.32 is: 8,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.72 : 10,209 = 6,293.32 : x
  2. Step 2: Convert to fraction form
    7,414.72/10,209 = 6,293.32/x
  3. Step 3: Cross multiply
    7,414.72x = 10,209 × 6,293.32
  4. Step 4: Simplify right side
    7,414.72x = 64,248,503.88
  5. Step 5: Solve for x
    x = 64,248,503.88/7,414.72
  6. Step 6: Final answer
    x = 8,664.99

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