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Finding the Fourth Proportional to 7,954.84, 11,932.41 and 2,408.16

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Solution

The fourth proportional to 7,954.84, 11,932.41 and 2,408.16 is: 3,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.84 : 11,932.41 = 2,408.16 : x
  2. Step 2: Convert to fraction form
    7,954.84/11,932.41 = 2,408.16/x
  3. Step 3: Cross multiply
    7,954.84x = 11,932.41 × 2,408.16
  4. Step 4: Simplify right side
    7,954.84x = 28,735,152.47
  5. Step 5: Solve for x
    x = 28,735,152.47/7,954.84
  6. Step 6: Final answer
    x = 3,612.29

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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.