Home / 4,390.21-6,583.68-1,891.18

Finding the Fourth Proportional to 4,390.21, 6,583.68 and 1,891.18

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Solution

The fourth proportional to 4,390.21, 6,583.68 and 1,891.18 is: 2,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.21 : 6,583.68 = 1,891.18 : x
  2. Step 2: Convert to fraction form
    4,390.21/6,583.68 = 1,891.18/x
  3. Step 3: Cross multiply
    4,390.21x = 6,583.68 × 1,891.18
  4. Step 4: Simplify right side
    4,390.21x = 12,450,923.94
  5. Step 5: Solve for x
    x = 12,450,923.94/4,390.21
  6. Step 6: Final answer
    x = 2,836.07

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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.