Home / 4,385.28-6,565.72-3,413.28

Finding the Fourth Proportional to 4,385.28, 6,565.72 and 3,413.28

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Solution

The fourth proportional to 4,385.28, 6,565.72 and 3,413.28 is: 5,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.28 : 6,565.72 = 3,413.28 : x
  2. Step 2: Convert to fraction form
    4,385.28/6,565.72 = 3,413.28/x
  3. Step 3: Cross multiply
    4,385.28x = 6,565.72 × 3,413.28
  4. Step 4: Simplify right side
    4,385.28x = 22,410,640.76
  5. Step 5: Solve for x
    x = 22,410,640.76/4,385.28
  6. Step 6: Final answer
    x = 5,110.42

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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.