Home / 8,413.18-12,619.32-2,569.34

Finding the Fourth Proportional to 8,413.18, 12,619.32 and 2,569.34

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Solution

The fourth proportional to 8,413.18, 12,619.32 and 2,569.34 is: 3,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.18 : 12,619.32 = 2,569.34 : x
  2. Step 2: Convert to fraction form
    8,413.18/12,619.32 = 2,569.34/x
  3. Step 3: Cross multiply
    8,413.18x = 12,619.32 × 2,569.34
  4. Step 4: Simplify right side
    8,413.18x = 32,423,254.13
  5. Step 5: Solve for x
    x = 32,423,254.13/8,413.18
  6. Step 6: Final answer
    x = 3,853.86

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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.