Home / 5,188.73-7,160.33-2,830.91

Finding the Fourth Proportional to 5,188.73, 7,160.33 and 2,830.91

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Solution

The fourth proportional to 5,188.73, 7,160.33 and 2,830.91 is: 3,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.73 : 7,160.33 = 2,830.91 : x
  2. Step 2: Convert to fraction form
    5,188.73/7,160.33 = 2,830.91/x
  3. Step 3: Cross multiply
    5,188.73x = 7,160.33 × 2,830.91
  4. Step 4: Simplify right side
    5,188.73x = 20,270,235.65
  5. Step 5: Solve for x
    x = 20,270,235.65/5,188.73
  6. Step 6: Final answer
    x = 3,906.59

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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.