Home / 4,188.98-6,279.06-1,413.02

Finding the Fourth Proportional to 4,188.98, 6,279.06 and 1,413.02

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Solution

The fourth proportional to 4,188.98, 6,279.06 and 1,413.02 is: 2,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.98 : 6,279.06 = 1,413.02 : x
  2. Step 2: Convert to fraction form
    4,188.98/6,279.06 = 1,413.02/x
  3. Step 3: Cross multiply
    4,188.98x = 6,279.06 × 1,413.02
  4. Step 4: Simplify right side
    4,188.98x = 8,872,437.36
  5. Step 5: Solve for x
    x = 8,872,437.36/4,188.98
  6. Step 6: Final answer
    x = 2,118.04

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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.