Home / 4,103.24-6,157.58-1,912.12

Finding the Fourth Proportional to 4,103.24, 6,157.58 and 1,912.12

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Solution

The fourth proportional to 4,103.24, 6,157.58 and 1,912.12 is: 2,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.24 : 6,157.58 = 1,912.12 : x
  2. Step 2: Convert to fraction form
    4,103.24/6,157.58 = 1,912.12/x
  3. Step 3: Cross multiply
    4,103.24x = 6,157.58 × 1,912.12
  4. Step 4: Simplify right side
    4,103.24x = 11,774,031.87
  5. Step 5: Solve for x
    x = 11,774,031.87/4,103.24
  6. Step 6: Final answer
    x = 2,869.45

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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.