Home / 6,121.95-8,448.38-3,327.51

Finding the Fourth Proportional to 6,121.95, 8,448.38 and 3,327.51

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Solution

The fourth proportional to 6,121.95, 8,448.38 and 3,327.51 is: 4,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.95 : 8,448.38 = 3,327.51 : x
  2. Step 2: Convert to fraction form
    6,121.95/8,448.38 = 3,327.51/x
  3. Step 3: Cross multiply
    6,121.95x = 8,448.38 × 3,327.51
  4. Step 4: Simplify right side
    6,121.95x = 28,112,052.30
  5. Step 5: Solve for x
    x = 28,112,052.30/6,121.95
  6. Step 6: Final answer
    x = 4,592.01

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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.