Home / 5,635.85-7,774.17-3,396.30

Finding the Fourth Proportional to 5,635.85, 7,774.17 and 3,396.30

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Solution

The fourth proportional to 5,635.85, 7,774.17 and 3,396.30 is: 4,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.85 : 7,774.17 = 3,396.30 : x
  2. Step 2: Convert to fraction form
    5,635.85/7,774.17 = 3,396.30/x
  3. Step 3: Cross multiply
    5,635.85x = 7,774.17 × 3,396.30
  4. Step 4: Simplify right side
    5,635.85x = 26,403,413.57
  5. Step 5: Solve for x
    x = 26,403,413.57/5,635.85
  6. Step 6: Final answer
    x = 4,684.91

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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.