Home / 5,413.32-8,119.97-4,429.17

Finding the Fourth Proportional to 5,413.32, 8,119.97 and 4,429.17

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Solution

The fourth proportional to 5,413.32, 8,119.97 and 4,429.17 is: 6,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.32 : 8,119.97 = 4,429.17 : x
  2. Step 2: Convert to fraction form
    5,413.32/8,119.97 = 4,429.17/x
  3. Step 3: Cross multiply
    5,413.32x = 8,119.97 × 4,429.17
  4. Step 4: Simplify right side
    5,413.32x = 35,964,727.52
  5. Step 5: Solve for x
    x = 35,964,727.52/5,413.32
  6. Step 6: Final answer
    x = 6,643.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.