Home / 4,647.28-6,413.67-2,657.44

Finding the Fourth Proportional to 4,647.28, 6,413.67 and 2,657.44

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Solution

The fourth proportional to 4,647.28, 6,413.67 and 2,657.44 is: 3,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.28 : 6,413.67 = 2,657.44 : x
  2. Step 2: Convert to fraction form
    4,647.28/6,413.67 = 2,657.44/x
  3. Step 3: Cross multiply
    4,647.28x = 6,413.67 × 2,657.44
  4. Step 4: Simplify right side
    4,647.28x = 17,043,943.20
  5. Step 5: Solve for x
    x = 17,043,943.20/4,647.28
  6. Step 6: Final answer
    x = 3,667.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.