Home / 4,274.16-6,400.44-3,579.12

Finding the Fourth Proportional to 4,274.16, 6,400.44 and 3,579.12

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Solution

The fourth proportional to 4,274.16, 6,400.44 and 3,579.12 is: 5,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.16 : 6,400.44 = 3,579.12 : x
  2. Step 2: Convert to fraction form
    4,274.16/6,400.44 = 3,579.12/x
  3. Step 3: Cross multiply
    4,274.16x = 6,400.44 × 3,579.12
  4. Step 4: Simplify right side
    4,274.16x = 22,907,942.81
  5. Step 5: Solve for x
    x = 22,907,942.81/4,274.16
  6. Step 6: Final answer
    x = 5,359.64

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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.