Home / 9,431.82-14,147.81-2,858.52

Finding the Fourth Proportional to 9,431.82, 14,147.81 and 2,858.52

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Solution

The fourth proportional to 9,431.82, 14,147.81 and 2,858.52 is: 4,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.82 : 14,147.81 = 2,858.52 : x
  2. Step 2: Convert to fraction form
    9,431.82/14,147.81 = 2,858.52/x
  3. Step 3: Cross multiply
    9,431.82x = 14,147.81 × 2,858.52
  4. Step 4: Simplify right side
    9,431.82x = 40,441,783.55
  5. Step 5: Solve for x
    x = 40,441,783.55/9,431.82
  6. Step 6: Final answer
    x = 4,287.80

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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.