Home / 5,521.11-8,281.47-1,823.25

Finding the Fourth Proportional to 5,521.11, 8,281.47 and 1,823.25

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Solution

The fourth proportional to 5,521.11, 8,281.47 and 1,823.25 is: 2,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.11 : 8,281.47 = 1,823.25 : x
  2. Step 2: Convert to fraction form
    5,521.11/8,281.47 = 1,823.25/x
  3. Step 3: Cross multiply
    5,521.11x = 8,281.47 × 1,823.25
  4. Step 4: Simplify right side
    5,521.11x = 15,099,190.18
  5. Step 5: Solve for x
    x = 15,099,190.18/5,521.11
  6. Step 6: Final answer
    x = 2,734.81

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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.