Home / 4,272.69-6,369-3,801.81

Finding the Fourth Proportional to 4,272.69, 6,369 and 3,801.81

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Solution

The fourth proportional to 4,272.69, 6,369 and 3,801.81 is: 5,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.69 : 6,369 = 3,801.81 : x
  2. Step 2: Convert to fraction form
    4,272.69/6,369 = 3,801.81/x
  3. Step 3: Cross multiply
    4,272.69x = 6,369 × 3,801.81
  4. Step 4: Simplify right side
    4,272.69x = 24,213,727.89
  5. Step 5: Solve for x
    x = 24,213,727.89/4,272.69
  6. Step 6: Final answer
    x = 5,667.09

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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.