Home / 9,150.82-13,731.41-4,220.46

Finding the Fourth Proportional to 9,150.82, 13,731.41 and 4,220.46

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Solution

The fourth proportional to 9,150.82, 13,731.41 and 4,220.46 is: 6,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.82 : 13,731.41 = 4,220.46 : x
  2. Step 2: Convert to fraction form
    9,150.82/13,731.41 = 4,220.46/x
  3. Step 3: Cross multiply
    9,150.82x = 13,731.41 × 4,220.46
  4. Step 4: Simplify right side
    9,150.82x = 57,952,797.99
  5. Step 5: Solve for x
    x = 57,952,797.99/9,150.82
  6. Step 6: Final answer
    x = 6,333.08

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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.