Home / 5,612.31-8,413.11-2,101.37

Finding the Fourth Proportional to 5,612.31, 8,413.11 and 2,101.37

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Solution

The fourth proportional to 5,612.31, 8,413.11 and 2,101.37 is: 3,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.31 : 8,413.11 = 2,101.37 : x
  2. Step 2: Convert to fraction form
    5,612.31/8,413.11 = 2,101.37/x
  3. Step 3: Cross multiply
    5,612.31x = 8,413.11 × 2,101.37
  4. Step 4: Simplify right side
    5,612.31x = 17,679,014.90
  5. Step 5: Solve for x
    x = 17,679,014.90/5,612.31
  6. Step 6: Final answer
    x = 3,150.04

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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.