Home / 4,089.64-5,643.74-2,226.64

Finding the Fourth Proportional to 4,089.64, 5,643.74 and 2,226.64

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Solution

The fourth proportional to 4,089.64, 5,643.74 and 2,226.64 is: 3,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.64 : 5,643.74 = 2,226.64 : x
  2. Step 2: Convert to fraction form
    4,089.64/5,643.74 = 2,226.64/x
  3. Step 3: Cross multiply
    4,089.64x = 5,643.74 × 2,226.64
  4. Step 4: Simplify right side
    4,089.64x = 12,566,577.23
  5. Step 5: Solve for x
    x = 12,566,577.23/4,089.64
  6. Step 6: Final answer
    x = 3,072.78

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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.