Home / 9,351.21-12,904.60-5,318.03

Finding the Fourth Proportional to 9,351.21, 12,904.60 and 5,318.03

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Solution

The fourth proportional to 9,351.21, 12,904.60 and 5,318.03 is: 7,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.21 : 12,904.60 = 5,318.03 : x
  2. Step 2: Convert to fraction form
    9,351.21/12,904.60 = 5,318.03/x
  3. Step 3: Cross multiply
    9,351.21x = 12,904.60 × 5,318.03
  4. Step 4: Simplify right side
    9,351.21x = 68,627,049.94
  5. Step 5: Solve for x
    x = 68,627,049.94/9,351.21
  6. Step 6: Final answer
    x = 7,338.84

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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.