Home / 4,331.09-5,975.88-3,137.85

Finding the Fourth Proportional to 4,331.09, 5,975.88 and 3,137.85

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Solution

The fourth proportional to 4,331.09, 5,975.88 and 3,137.85 is: 4,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.09 : 5,975.88 = 3,137.85 : x
  2. Step 2: Convert to fraction form
    4,331.09/5,975.88 = 3,137.85/x
  3. Step 3: Cross multiply
    4,331.09x = 5,975.88 × 3,137.85
  4. Step 4: Simplify right side
    4,331.09x = 18,751,415.06
  5. Step 5: Solve for x
    x = 18,751,415.06/4,331.09
  6. Step 6: Final answer
    x = 4,329.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.