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Finding the Fourth Proportional to 7,408.94, 10,224.23 and 4,051.89

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Solution

The fourth proportional to 7,408.94, 10,224.23 and 4,051.89 is: 5,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.94 : 10,224.23 = 4,051.89 : x
  2. Step 2: Convert to fraction form
    7,408.94/10,224.23 = 4,051.89/x
  3. Step 3: Cross multiply
    7,408.94x = 10,224.23 × 4,051.89
  4. Step 4: Simplify right side
    7,408.94x = 41,427,435.04
  5. Step 5: Solve for x
    x = 41,427,435.04/7,408.94
  6. Step 6: Final answer
    x = 5,591.55

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1.5x scale

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.