Home / 5,149.42-7,725.58-1,451.68

Finding the Fourth Proportional to 5,149.42, 7,725.58 and 1,451.68

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Solution

The fourth proportional to 5,149.42, 7,725.58 and 1,451.68 is: 2,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.42 : 7,725.58 = 1,451.68 : x
  2. Step 2: Convert to fraction form
    5,149.42/7,725.58 = 1,451.68/x
  3. Step 3: Cross multiply
    5,149.42x = 7,725.58 × 1,451.68
  4. Step 4: Simplify right side
    5,149.42x = 11,215,066.35
  5. Step 5: Solve for x
    x = 11,215,066.35/5,149.42
  6. Step 6: Final answer
    x = 2,177.93

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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.