Home / 4,273.28-6,413.52-1,678.04

Finding the Fourth Proportional to 4,273.28, 6,413.52 and 1,678.04

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Solution

The fourth proportional to 4,273.28, 6,413.52 and 1,678.04 is: 2,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.28 : 6,413.52 = 1,678.04 : x
  2. Step 2: Convert to fraction form
    4,273.28/6,413.52 = 1,678.04/x
  3. Step 3: Cross multiply
    4,273.28x = 6,413.52 × 1,678.04
  4. Step 4: Simplify right side
    4,273.28x = 10,762,143.10
  5. Step 5: Solve for x
    x = 10,762,143.10/4,273.28
  6. Step 6: Final answer
    x = 2,518.47

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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.