Home / 5,785.62-8,679.24-1,889.04

Finding the Fourth Proportional to 5,785.62, 8,679.24 and 1,889.04

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Solution

The fourth proportional to 5,785.62, 8,679.24 and 1,889.04 is: 2,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.62 : 8,679.24 = 1,889.04 : x
  2. Step 2: Convert to fraction form
    5,785.62/8,679.24 = 1,889.04/x
  3. Step 3: Cross multiply
    5,785.62x = 8,679.24 × 1,889.04
  4. Step 4: Simplify right side
    5,785.62x = 16,395,431.53
  5. Step 5: Solve for x
    x = 16,395,431.53/5,785.62
  6. Step 6: Final answer
    x = 2,833.82

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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.