Home / 5,425.73-8,138.58-5,148.71

Finding the Fourth Proportional to 5,425.73, 8,138.58 and 5,148.71

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Solution

The fourth proportional to 5,425.73, 8,138.58 and 5,148.71 is: 7,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.73 : 8,138.58 = 5,148.71 : x
  2. Step 2: Convert to fraction form
    5,425.73/8,138.58 = 5,148.71/x
  3. Step 3: Cross multiply
    5,425.73x = 8,138.58 × 5,148.71
  4. Step 4: Simplify right side
    5,425.73x = 41,903,147.54
  5. Step 5: Solve for x
    x = 41,903,147.54/5,425.73
  6. Step 6: Final answer
    x = 7,723.05

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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.