Home / 4,150.42-6,221.62-2,665.45

Finding the Fourth Proportional to 4,150.42, 6,221.62 and 2,665.45

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Solution

The fourth proportional to 4,150.42, 6,221.62 and 2,665.45 is: 3,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.42 : 6,221.62 = 2,665.45 : x
  2. Step 2: Convert to fraction form
    4,150.42/6,221.62 = 2,665.45/x
  3. Step 3: Cross multiply
    4,150.42x = 6,221.62 × 2,665.45
  4. Step 4: Simplify right side
    4,150.42x = 16,583,394.81
  5. Step 5: Solve for x
    x = 16,583,394.81/4,150.42
  6. Step 6: Final answer
    x = 3,995.60

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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.