Home / 6,171.53-9,209.84-5,515.43

Finding the Fourth Proportional to 6,171.53, 9,209.84 and 5,515.43

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Solution

The fourth proportional to 6,171.53, 9,209.84 and 5,515.43 is: 8,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.53 : 9,209.84 = 5,515.43 : x
  2. Step 2: Convert to fraction form
    6,171.53/9,209.84 = 5,515.43/x
  3. Step 3: Cross multiply
    6,171.53x = 9,209.84 × 5,515.43
  4. Step 4: Simplify right side
    6,171.53x = 50,796,227.83
  5. Step 5: Solve for x
    x = 50,796,227.83/6,171.53
  6. Step 6: Final answer
    x = 8,230.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.