Home / 4,280.16-5,906.82-3,230.40

Finding the Fourth Proportional to 4,280.16, 5,906.82 and 3,230.40

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Solution

The fourth proportional to 4,280.16, 5,906.82 and 3,230.40 is: 4,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.16 : 5,906.82 = 3,230.40 : x
  2. Step 2: Convert to fraction form
    4,280.16/5,906.82 = 3,230.40/x
  3. Step 3: Cross multiply
    4,280.16x = 5,906.82 × 3,230.40
  4. Step 4: Simplify right side
    4,280.16x = 19,081,391.33
  5. Step 5: Solve for x
    x = 19,081,391.33/4,280.16
  6. Step 6: Final answer
    x = 4,458.10

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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.