Home / 4,103.28-6,157.62-1,912.14

Finding the Fourth Proportional to 4,103.28, 6,157.62 and 1,912.14

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Solution

The fourth proportional to 4,103.28, 6,157.62 and 1,912.14 is: 2,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.28 : 6,157.62 = 1,912.14 : x
  2. Step 2: Convert to fraction form
    4,103.28/6,157.62 = 1,912.14/x
  3. Step 3: Cross multiply
    4,103.28x = 6,157.62 × 1,912.14
  4. Step 4: Simplify right side
    4,103.28x = 11,774,231.51
  5. Step 5: Solve for x
    x = 11,774,231.51/4,103.28
  6. Step 6: Final answer
    x = 2,869.47

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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.