Home / 4,284.32-6,428.39-2,723.90

Finding the Fourth Proportional to 4,284.32, 6,428.39 and 2,723.90

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Solution

The fourth proportional to 4,284.32, 6,428.39 and 2,723.90 is: 4,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.32 : 6,428.39 = 2,723.90 : x
  2. Step 2: Convert to fraction form
    4,284.32/6,428.39 = 2,723.90/x
  3. Step 3: Cross multiply
    4,284.32x = 6,428.39 × 2,723.90
  4. Step 4: Simplify right side
    4,284.32x = 17,510,269.87
  5. Step 5: Solve for x
    x = 17,510,269.87/4,284.32
  6. Step 6: Final answer
    x = 4,087.06

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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.