Home / 5,704.35-8,557.38-1,809.63

Finding the Fourth Proportional to 5,704.35, 8,557.38 and 1,809.63

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Solution

The fourth proportional to 5,704.35, 8,557.38 and 1,809.63 is: 2,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.35 : 8,557.38 = 1,809.63 : x
  2. Step 2: Convert to fraction form
    5,704.35/8,557.38 = 1,809.63/x
  3. Step 3: Cross multiply
    5,704.35x = 8,557.38 × 1,809.63
  4. Step 4: Simplify right side
    5,704.35x = 15,485,691.57
  5. Step 5: Solve for x
    x = 15,485,691.57/5,704.35
  6. Step 6: Final answer
    x = 2,714.72

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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.