Home / 7,413.93-11,120.90-2,973.61

Finding the Fourth Proportional to 7,413.93, 11,120.90 and 2,973.61

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Solution

The fourth proportional to 7,413.93, 11,120.90 and 2,973.61 is: 4,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.93 : 11,120.90 = 2,973.61 : x
  2. Step 2: Convert to fraction form
    7,413.93/11,120.90 = 2,973.61/x
  3. Step 3: Cross multiply
    7,413.93x = 11,120.90 × 2,973.61
  4. Step 4: Simplify right side
    7,413.93x = 33,069,218.48
  5. Step 5: Solve for x
    x = 33,069,218.48/7,413.93
  6. Step 6: Final answer
    x = 4,460.42

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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.