Home / 4,119.51-6,168.55-3,459.87

Finding the Fourth Proportional to 4,119.51, 6,168.55 and 3,459.87

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Solution

The fourth proportional to 4,119.51, 6,168.55 and 3,459.87 is: 5,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.51 : 6,168.55 = 3,459.87 : x
  2. Step 2: Convert to fraction form
    4,119.51/6,168.55 = 3,459.87/x
  3. Step 3: Cross multiply
    4,119.51x = 6,168.55 × 3,459.87
  4. Step 4: Simplify right side
    4,119.51x = 21,342,381.09
  5. Step 5: Solve for x
    x = 21,342,381.09/4,119.51
  6. Step 6: Final answer
    x = 5,180.81

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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.