Home / 4,413.18-6,619.76-3,440

Finding the Fourth Proportional to 4,413.18, 6,619.76 and 3,440

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Solution

The fourth proportional to 4,413.18, 6,619.76 and 3,440 is: 5,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.18 : 6,619.76 = 3,440 : x
  2. Step 2: Convert to fraction form
    4,413.18/6,619.76 = 3,440/x
  3. Step 3: Cross multiply
    4,413.18x = 6,619.76 × 3,440
  4. Step 4: Simplify right side
    4,413.18x = 22,771,974.40
  5. Step 5: Solve for x
    x = 22,771,974.40/4,413.18
  6. Step 6: Final answer
    x = 5,159.99

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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.