Home / 5,152.03-7,109.85-2,794.21

Finding the Fourth Proportional to 5,152.03, 7,109.85 and 2,794.21

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Solution

The fourth proportional to 5,152.03, 7,109.85 and 2,794.21 is: 3,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.03 : 7,109.85 = 2,794.21 : x
  2. Step 2: Convert to fraction form
    5,152.03/7,109.85 = 2,794.21/x
  3. Step 3: Cross multiply
    5,152.03x = 7,109.85 × 2,794.21
  4. Step 4: Simplify right side
    5,152.03x = 19,866,413.97
  5. Step 5: Solve for x
    x = 19,866,413.97/5,152.03
  6. Step 6: Final answer
    x = 3,856.04

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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.