Home / 4,413.69-6,619.06-1,780.51

Finding the Fourth Proportional to 4,413.69, 6,619.06 and 1,780.51

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Solution

The fourth proportional to 4,413.69, 6,619.06 and 1,780.51 is: 2,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.69 : 6,619.06 = 1,780.51 : x
  2. Step 2: Convert to fraction form
    4,413.69/6,619.06 = 1,780.51/x
  3. Step 3: Cross multiply
    4,413.69x = 6,619.06 × 1,780.51
  4. Step 4: Simplify right side
    4,413.69x = 11,785,302.52
  5. Step 5: Solve for x
    x = 11,785,302.52/4,413.69
  6. Step 6: Final answer
    x = 2,670.17

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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.