Home / 9,148.73-13,725.37-4,221.80

Finding the Fourth Proportional to 9,148.73, 13,725.37 and 4,221.80

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Solution

The fourth proportional to 9,148.73, 13,725.37 and 4,221.80 is: 6,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.73 : 13,725.37 = 4,221.80 : x
  2. Step 2: Convert to fraction form
    9,148.73/13,725.37 = 4,221.80/x
  3. Step 3: Cross multiply
    9,148.73x = 13,725.37 × 4,221.80
  4. Step 4: Simplify right side
    9,148.73x = 57,945,767.07
  5. Step 5: Solve for x
    x = 57,945,767.07/9,148.73
  6. Step 6: Final answer
    x = 6,333.75

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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.