Home / 5,413.26-8,123.49-1,903.26

Finding the Fourth Proportional to 5,413.26, 8,123.49 and 1,903.26

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Solution

The fourth proportional to 5,413.26, 8,123.49 and 1,903.26 is: 2,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.26 : 8,123.49 = 1,903.26 : x
  2. Step 2: Convert to fraction form
    5,413.26/8,123.49 = 1,903.26/x
  3. Step 3: Cross multiply
    5,413.26x = 8,123.49 × 1,903.26
  4. Step 4: Simplify right side
    5,413.26x = 15,461,113.58
  5. Step 5: Solve for x
    x = 15,461,113.58/5,413.26
  6. Step 6: Final answer
    x = 2,856.16

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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.