Home / 5,789.19-8,683.72-1,629.20

Finding the Fourth Proportional to 5,789.19, 8,683.72 and 1,629.20

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Solution

The fourth proportional to 5,789.19, 8,683.72 and 1,629.20 is: 2,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.19 : 8,683.72 = 1,629.20 : x
  2. Step 2: Convert to fraction form
    5,789.19/8,683.72 = 1,629.20/x
  3. Step 3: Cross multiply
    5,789.19x = 8,683.72 × 1,629.20
  4. Step 4: Simplify right side
    5,789.19x = 14,147,494.58
  5. Step 5: Solve for x
    x = 14,147,494.58/5,789.19
  6. Step 6: Final answer
    x = 2,443.78

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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.