Home / 8,413.98-12,621-2,570.58

Finding the Fourth Proportional to 8,413.98, 12,621 and 2,570.58

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Solution

The fourth proportional to 8,413.98, 12,621 and 2,570.58 is: 3,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.98 : 12,621 = 2,570.58 : x
  2. Step 2: Convert to fraction form
    8,413.98/12,621 = 2,570.58/x
  3. Step 3: Cross multiply
    8,413.98x = 12,621 × 2,570.58
  4. Step 4: Simplify right side
    8,413.98x = 32,443,290.18
  5. Step 5: Solve for x
    x = 32,443,290.18/8,413.98
  6. Step 6: Final answer
    x = 3,855.88

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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.