Home / 5,851.25-8,776.60-2,153.21

Finding the Fourth Proportional to 5,851.25, 8,776.60 and 2,153.21

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Solution

The fourth proportional to 5,851.25, 8,776.60 and 2,153.21 is: 3,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.25 : 8,776.60 = 2,153.21 : x
  2. Step 2: Convert to fraction form
    5,851.25/8,776.60 = 2,153.21/x
  3. Step 3: Cross multiply
    5,851.25x = 8,776.60 × 2,153.21
  4. Step 4: Simplify right side
    5,851.25x = 18,897,879.44
  5. Step 5: Solve for x
    x = 18,897,879.44/5,851.25
  6. Step 6: Final answer
    x = 3,229.72

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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.