Home / 5,686.76-8,531.96-3,608.51

Finding the Fourth Proportional to 5,686.76, 8,531.96 and 3,608.51

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Solution

The fourth proportional to 5,686.76, 8,531.96 and 3,608.51 is: 5,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.76 : 8,531.96 = 3,608.51 : x
  2. Step 2: Convert to fraction form
    5,686.76/8,531.96 = 3,608.51/x
  3. Step 3: Cross multiply
    5,686.76x = 8,531.96 × 3,608.51
  4. Step 4: Simplify right side
    5,686.76x = 30,787,602.28
  5. Step 5: Solve for x
    x = 30,787,602.28/5,686.76
  6. Step 6: Final answer
    x = 5,413.91

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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.