Home / 6,380.57-8,801.46-4,391.01

Finding the Fourth Proportional to 6,380.57, 8,801.46 and 4,391.01

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Solution

The fourth proportional to 6,380.57, 8,801.46 and 4,391.01 is: 6,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.57 : 8,801.46 = 4,391.01 : x
  2. Step 2: Convert to fraction form
    6,380.57/8,801.46 = 4,391.01/x
  3. Step 3: Cross multiply
    6,380.57x = 8,801.46 × 4,391.01
  4. Step 4: Simplify right side
    6,380.57x = 38,647,298.87
  5. Step 5: Solve for x
    x = 38,647,298.87/6,380.57
  6. Step 6: Final answer
    x = 6,057.03

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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.