Home / 7,540.39-11,317.97-4,772.40

Finding the Fourth Proportional to 7,540.39, 11,317.97 and 4,772.40

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Solution

The fourth proportional to 7,540.39, 11,317.97 and 4,772.40 is: 7,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.39 : 11,317.97 = 4,772.40 : x
  2. Step 2: Convert to fraction form
    7,540.39/11,317.97 = 4,772.40/x
  3. Step 3: Cross multiply
    7,540.39x = 11,317.97 × 4,772.40
  4. Step 4: Simplify right side
    7,540.39x = 54,013,880.03
  5. Step 5: Solve for x
    x = 54,013,880.03/7,540.39
  6. Step 6: Final answer
    x = 7,163.27

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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.