Home / 5,150.52-7,725.78-2,074.68

Finding the Fourth Proportional to 5,150.52, 7,725.78 and 2,074.68

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Solution

The fourth proportional to 5,150.52, 7,725.78 and 2,074.68 is: 3,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.52 : 7,725.78 = 2,074.68 : x
  2. Step 2: Convert to fraction form
    5,150.52/7,725.78 = 2,074.68/x
  3. Step 3: Cross multiply
    5,150.52x = 7,725.78 × 2,074.68
  4. Step 4: Simplify right side
    5,150.52x = 16,028,521.25
  5. Step 5: Solve for x
    x = 16,028,521.25/5,150.52
  6. Step 6: Final answer
    x = 3,112.02

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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.