Home / 5,521.21-8,283.09-2,890.14

Finding the Fourth Proportional to 5,521.21, 8,283.09 and 2,890.14

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Solution

The fourth proportional to 5,521.21, 8,283.09 and 2,890.14 is: 4,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.21 : 8,283.09 = 2,890.14 : x
  2. Step 2: Convert to fraction form
    5,521.21/8,283.09 = 2,890.14/x
  3. Step 3: Cross multiply
    5,521.21x = 8,283.09 × 2,890.14
  4. Step 4: Simplify right side
    5,521.21x = 23,939,289.73
  5. Step 5: Solve for x
    x = 23,939,289.73/5,521.21
  6. Step 6: Final answer
    x = 4,335.88

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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.