Home / 6,783.19-10,171.68-3,821.55

Finding the Fourth Proportional to 6,783.19, 10,171.68 and 3,821.55

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Solution

The fourth proportional to 6,783.19, 10,171.68 and 3,821.55 is: 5,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.19 : 10,171.68 = 3,821.55 : x
  2. Step 2: Convert to fraction form
    6,783.19/10,171.68 = 3,821.55/x
  3. Step 3: Cross multiply
    6,783.19x = 10,171.68 × 3,821.55
  4. Step 4: Simplify right side
    6,783.19x = 38,871,617.05
  5. Step 5: Solve for x
    x = 38,871,617.05/6,783.19
  6. Step 6: Final answer
    x = 5,730.58

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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.