Home / 4,062.28-6,091.24-1,288.20

Finding the Fourth Proportional to 4,062.28, 6,091.24 and 1,288.20

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Solution

The fourth proportional to 4,062.28, 6,091.24 and 1,288.20 is: 1,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.28 : 6,091.24 = 1,288.20 : x
  2. Step 2: Convert to fraction form
    4,062.28/6,091.24 = 1,288.20/x
  3. Step 3: Cross multiply
    4,062.28x = 6,091.24 × 1,288.20
  4. Step 4: Simplify right side
    4,062.28x = 7,846,735.37
  5. Step 5: Solve for x
    x = 7,846,735.37/4,062.28
  6. Step 6: Final answer
    x = 1,931.61

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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.