Home / 5,144.25-7,714.76-1,856.91

Finding the Fourth Proportional to 5,144.25, 7,714.76 and 1,856.91

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Solution

The fourth proportional to 5,144.25, 7,714.76 and 1,856.91 is: 2,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.25 : 7,714.76 = 1,856.91 : x
  2. Step 2: Convert to fraction form
    5,144.25/7,714.76 = 1,856.91/x
  3. Step 3: Cross multiply
    5,144.25x = 7,714.76 × 1,856.91
  4. Step 4: Simplify right side
    5,144.25x = 14,325,614.99
  5. Step 5: Solve for x
    x = 14,325,614.99/5,144.25
  6. Step 6: Final answer
    x = 2,784.78

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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.