Home / 5,641.25-8,450.93-2,721.60

Finding the Fourth Proportional to 5,641.25, 8,450.93 and 2,721.60

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Solution

The fourth proportional to 5,641.25, 8,450.93 and 2,721.60 is: 4,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.25 : 8,450.93 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    5,641.25/8,450.93 = 2,721.60/x
  3. Step 3: Cross multiply
    5,641.25x = 8,450.93 × 2,721.60
  4. Step 4: Simplify right side
    5,641.25x = 23,000,057.89
  5. Step 5: Solve for x
    x = 23,000,057.89/5,641.25
  6. Step 6: Final answer
    x = 4,077.12

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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.