Home / 8,983.56-13,476.78-3,790.20

Finding the Fourth Proportional to 8,983.56, 13,476.78 and 3,790.20

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Solution

The fourth proportional to 8,983.56, 13,476.78 and 3,790.20 is: 5,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.56 : 13,476.78 = 3,790.20 : x
  2. Step 2: Convert to fraction form
    8,983.56/13,476.78 = 3,790.20/x
  3. Step 3: Cross multiply
    8,983.56x = 13,476.78 × 3,790.20
  4. Step 4: Simplify right side
    8,983.56x = 51,079,691.56
  5. Step 5: Solve for x
    x = 51,079,691.56/8,983.56
  6. Step 6: Final answer
    x = 5,685.91

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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.