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Finding the Fourth Proportional to 6,057.56, 9,069.78 and 5,007.80

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Solution

The fourth proportional to 6,057.56, 9,069.78 and 5,007.80 is: 7,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,057.56 : 9,069.78 = 5,007.80 : x
  2. Step 2: Convert to fraction form
    6,057.56/9,069.78 = 5,007.80/x
  3. Step 3: Cross multiply
    6,057.56x = 9,069.78 × 5,007.80
  4. Step 4: Simplify right side
    6,057.56x = 45,419,644.28
  5. Step 5: Solve for x
    x = 45,419,644.28/6,057.56
  6. Step 6: Final answer
    x = 7,498.01

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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.