Home / 7,538.82-10,413.60-6,284.04

Finding the Fourth Proportional to 7,538.82, 10,413.60 and 6,284.04

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Solution

The fourth proportional to 7,538.82, 10,413.60 and 6,284.04 is: 8,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.82 : 10,413.60 = 6,284.04 : x
  2. Step 2: Convert to fraction form
    7,538.82/10,413.60 = 6,284.04/x
  3. Step 3: Cross multiply
    7,538.82x = 10,413.60 × 6,284.04
  4. Step 4: Simplify right side
    7,538.82x = 65,439,478.94
  5. Step 5: Solve for x
    x = 65,439,478.94/7,538.82
  6. Step 6: Final answer
    x = 8,680.33

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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.