Home / 6,825.60-9,413.44-5,331.20

Finding the Fourth Proportional to 6,825.60, 9,413.44 and 5,331.20

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Solution

The fourth proportional to 6,825.60, 9,413.44 and 5,331.20 is: 7,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.60 : 9,413.44 = 5,331.20 : x
  2. Step 2: Convert to fraction form
    6,825.60/9,413.44 = 5,331.20/x
  3. Step 3: Cross multiply
    6,825.60x = 9,413.44 × 5,331.20
  4. Step 4: Simplify right side
    6,825.60x = 50,184,931.33
  5. Step 5: Solve for x
    x = 50,184,931.33/6,825.60
  6. Step 6: Final answer
    x = 7,352.46

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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.