Home / 5,138.68-7,667.69-4,825.22

Finding the Fourth Proportional to 5,138.68, 7,667.69 and 4,825.22

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Solution

The fourth proportional to 5,138.68, 7,667.69 and 4,825.22 is: 7,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.68 : 7,667.69 = 4,825.22 : x
  2. Step 2: Convert to fraction form
    5,138.68/7,667.69 = 4,825.22/x
  3. Step 3: Cross multiply
    5,138.68x = 7,667.69 × 4,825.22
  4. Step 4: Simplify right side
    5,138.68x = 36,998,267.02
  5. Step 5: Solve for x
    x = 36,998,267.02/5,138.68
  6. Step 6: Final answer
    x = 7,199.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.