Home / 5,629.93-8,442.46-2,164.75

Finding the Fourth Proportional to 5,629.93, 8,442.46 and 2,164.75

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Solution

The fourth proportional to 5,629.93, 8,442.46 and 2,164.75 is: 3,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.93 : 8,442.46 = 2,164.75 : x
  2. Step 2: Convert to fraction form
    5,629.93/8,442.46 = 2,164.75/x
  3. Step 3: Cross multiply
    5,629.93x = 8,442.46 × 2,164.75
  4. Step 4: Simplify right side
    5,629.93x = 18,275,815.29
  5. Step 5: Solve for x
    x = 18,275,815.29/5,629.93
  6. Step 6: Final answer
    x = 3,246.19

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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.