Home / 7,911.14-11,866.27-4,015.45

Finding the Fourth Proportional to 7,911.14, 11,866.27 and 4,015.45

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Solution

The fourth proportional to 7,911.14, 11,866.27 and 4,015.45 is: 6,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.14 : 11,866.27 = 4,015.45 : x
  2. Step 2: Convert to fraction form
    7,911.14/11,866.27 = 4,015.45/x
  3. Step 3: Cross multiply
    7,911.14x = 11,866.27 × 4,015.45
  4. Step 4: Simplify right side
    7,911.14x = 47,648,413.87
  5. Step 5: Solve for x
    x = 47,648,413.87/7,911.14
  6. Step 6: Final answer
    x = 6,022.95

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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.