Home / 5,714.35-8,572.38-1,819.63

Finding the Fourth Proportional to 5,714.35, 8,572.38 and 1,819.63

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Solution

The fourth proportional to 5,714.35, 8,572.38 and 1,819.63 is: 2,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.35 : 8,572.38 = 1,819.63 : x
  2. Step 2: Convert to fraction form
    5,714.35/8,572.38 = 1,819.63/x
  3. Step 3: Cross multiply
    5,714.35x = 8,572.38 × 1,819.63
  4. Step 4: Simplify right side
    5,714.35x = 15,598,559.82
  5. Step 5: Solve for x
    x = 15,598,559.82/5,714.35
  6. Step 6: Final answer
    x = 2,729.72

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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.