Home / 5,704.50-8,557.06-1,809.21

Finding the Fourth Proportional to 5,704.50, 8,557.06 and 1,809.21

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Solution

The fourth proportional to 5,704.50, 8,557.06 and 1,809.21 is: 2,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.50 : 8,557.06 = 1,809.21 : x
  2. Step 2: Convert to fraction form
    5,704.50/8,557.06 = 1,809.21/x
  3. Step 3: Cross multiply
    5,704.50x = 8,557.06 × 1,809.21
  4. Step 4: Simplify right side
    5,704.50x = 15,481,518.52
  5. Step 5: Solve for x
    x = 15,481,518.52/5,704.50
  6. Step 6: Final answer
    x = 2,713.91

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Double scale
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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.