Home / 5,144.68-7,714.86-1,633.72

Finding the Fourth Proportional to 5,144.68, 7,714.86 and 1,633.72

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Solution

The fourth proportional to 5,144.68, 7,714.86 and 1,633.72 is: 2,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.68 : 7,714.86 = 1,633.72 : x
  2. Step 2: Convert to fraction form
    5,144.68/7,714.86 = 1,633.72/x
  3. Step 3: Cross multiply
    5,144.68x = 7,714.86 × 1,633.72
  4. Step 4: Simplify right side
    5,144.68x = 12,603,921.08
  5. Step 5: Solve for x
    x = 12,603,921.08/5,144.68
  6. Step 6: Final answer
    x = 2,449.89

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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.