Home / 9,155.49-13,733.22-4,222.43

Finding the Fourth Proportional to 9,155.49, 13,733.22 and 4,222.43

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Solution

The fourth proportional to 9,155.49, 13,733.22 and 4,222.43 is: 6,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.49 : 13,733.22 = 4,222.43 : x
  2. Step 2: Convert to fraction form
    9,155.49/13,733.22 = 4,222.43/x
  3. Step 3: Cross multiply
    9,155.49x = 13,733.22 × 4,222.43
  4. Step 4: Simplify right side
    9,155.49x = 57,987,558.79
  5. Step 5: Solve for x
    x = 57,987,558.79/9,155.49
  6. Step 6: Final answer
    x = 6,333.64

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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.