Home / 4,647.60-6,413.51-2,879.17

Finding the Fourth Proportional to 4,647.60, 6,413.51 and 2,879.17

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Solution

The fourth proportional to 4,647.60, 6,413.51 and 2,879.17 is: 3,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.60 : 6,413.51 = 2,879.17 : x
  2. Step 2: Convert to fraction form
    4,647.60/6,413.51 = 2,879.17/x
  3. Step 3: Cross multiply
    4,647.60x = 6,413.51 × 2,879.17
  4. Step 4: Simplify right side
    4,647.60x = 18,465,576.75
  5. Step 5: Solve for x
    x = 18,465,576.75/4,647.60
  6. Step 6: Final answer
    x = 3,973.14

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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.