Home / 5,965.09-8,231.85-3,312.49

Finding the Fourth Proportional to 5,965.09, 8,231.85 and 3,312.49

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Solution

The fourth proportional to 5,965.09, 8,231.85 and 3,312.49 is: 4,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.09 : 8,231.85 = 3,312.49 : x
  2. Step 2: Convert to fraction form
    5,965.09/8,231.85 = 3,312.49/x
  3. Step 3: Cross multiply
    5,965.09x = 8,231.85 × 3,312.49
  4. Step 4: Simplify right side
    5,965.09x = 27,267,920.81
  5. Step 5: Solve for x
    x = 27,267,920.81/5,965.09
  6. Step 6: Final answer
    x = 4,571.25

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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.