Home / 9,003.21-13,504.78-3,158.43

Finding the Fourth Proportional to 9,003.21, 13,504.78 and 3,158.43

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Solution

The fourth proportional to 9,003.21, 13,504.78 and 3,158.43 is: 4,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.21 : 13,504.78 = 3,158.43 : x
  2. Step 2: Convert to fraction form
    9,003.21/13,504.78 = 3,158.43/x
  3. Step 3: Cross multiply
    9,003.21x = 13,504.78 × 3,158.43
  4. Step 4: Simplify right side
    9,003.21x = 42,653,902.30
  5. Step 5: Solve for x
    x = 42,653,902.30/9,003.21
  6. Step 6: Final answer
    x = 4,737.63

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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.