Home / 6,579.80-9,872.43-2,880.12

Finding the Fourth Proportional to 6,579.80, 9,872.43 and 2,880.12

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Solution

The fourth proportional to 6,579.80, 9,872.43 and 2,880.12 is: 4,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.80 : 9,872.43 = 2,880.12 : x
  2. Step 2: Convert to fraction form
    6,579.80/9,872.43 = 2,880.12/x
  3. Step 3: Cross multiply
    6,579.80x = 9,872.43 × 2,880.12
  4. Step 4: Simplify right side
    6,579.80x = 28,433,768.69
  5. Step 5: Solve for x
    x = 28,433,768.69/6,579.80
  6. Step 6: Final answer
    x = 4,321.38

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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.