Home / 5,230.33-7,217.91-2,840.33

Finding the Fourth Proportional to 5,230.33, 7,217.91 and 2,840.33

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Solution

The fourth proportional to 5,230.33, 7,217.91 and 2,840.33 is: 3,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.33 : 7,217.91 = 2,840.33 : x
  2. Step 2: Convert to fraction form
    5,230.33/7,217.91 = 2,840.33/x
  3. Step 3: Cross multiply
    5,230.33x = 7,217.91 × 2,840.33
  4. Step 4: Simplify right side
    5,230.33x = 20,501,246.31
  5. Step 5: Solve for x
    x = 20,501,246.31/5,230.33
  6. Step 6: Final answer
    x = 3,919.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.