Home / 5,704.78-8,557.07-1,809.19

Finding the Fourth Proportional to 5,704.78, 8,557.07 and 1,809.19

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Solution

The fourth proportional to 5,704.78, 8,557.07 and 1,809.19 is: 2,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.78 : 8,557.07 = 1,809.19 : x
  2. Step 2: Convert to fraction form
    5,704.78/8,557.07 = 1,809.19/x
  3. Step 3: Cross multiply
    5,704.78x = 8,557.07 × 1,809.19
  4. Step 4: Simplify right side
    5,704.78x = 15,481,313.64
  5. Step 5: Solve for x
    x = 15,481,313.64/5,704.78
  6. Step 6: Final answer
    x = 2,713.75

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Similar ratio
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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.