Home / 4,945.16-7,413.42-1,869.32

Finding the Fourth Proportional to 4,945.16, 7,413.42 and 1,869.32

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Solution

The fourth proportional to 4,945.16, 7,413.42 and 1,869.32 is: 2,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.16 : 7,413.42 = 1,869.32 : x
  2. Step 2: Convert to fraction form
    4,945.16/7,413.42 = 1,869.32/x
  3. Step 3: Cross multiply
    4,945.16x = 7,413.42 × 1,869.32
  4. Step 4: Simplify right side
    4,945.16x = 13,858,054.27
  5. Step 5: Solve for x
    x = 13,858,054.27/4,945.16
  6. Step 6: Final answer
    x = 2,802.35

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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.