Home / 4,746.75-7,120.26-1,284

Finding the Fourth Proportional to 4,746.75, 7,120.26 and 1,284

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Solution

The fourth proportional to 4,746.75, 7,120.26 and 1,284 is: 1,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.75 : 7,120.26 = 1,284 : x
  2. Step 2: Convert to fraction form
    4,746.75/7,120.26 = 1,284/x
  3. Step 3: Cross multiply
    4,746.75x = 7,120.26 × 1,284
  4. Step 4: Simplify right side
    4,746.75x = 9,142,413.84
  5. Step 5: Solve for x
    x = 9,142,413.84/4,746.75
  6. Step 6: Final answer
    x = 1,926.04

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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.