Home / 4,413.78-6,610.59-2,106.90

Finding the Fourth Proportional to 4,413.78, 6,610.59 and 2,106.90

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Solution

The fourth proportional to 4,413.78, 6,610.59 and 2,106.90 is: 3,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.78 : 6,610.59 = 2,106.90 : x
  2. Step 2: Convert to fraction form
    4,413.78/6,610.59 = 2,106.90/x
  3. Step 3: Cross multiply
    4,413.78x = 6,610.59 × 2,106.90
  4. Step 4: Simplify right side
    4,413.78x = 13,927,852.07
  5. Step 5: Solve for x
    x = 13,927,852.07/4,413.78
  6. Step 6: Final answer
    x = 3,155.54

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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.