Home / 5,884.34-8,121.53-3,647.21

Finding the Fourth Proportional to 5,884.34, 8,121.53 and 3,647.21

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Solution

The fourth proportional to 5,884.34, 8,121.53 and 3,647.21 is: 5,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.34 : 8,121.53 = 3,647.21 : x
  2. Step 2: Convert to fraction form
    5,884.34/8,121.53 = 3,647.21/x
  3. Step 3: Cross multiply
    5,884.34x = 8,121.53 × 3,647.21
  4. Step 4: Simplify right side
    5,884.34x = 29,620,893.94
  5. Step 5: Solve for x
    x = 29,620,893.94/5,884.34
  6. Step 6: Final answer
    x = 5,033.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.