Home / 4,647.68-6,413.36-2,758.92

Finding the Fourth Proportional to 4,647.68, 6,413.36 and 2,758.92

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Solution

The fourth proportional to 4,647.68, 6,413.36 and 2,758.92 is: 3,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.68 : 6,413.36 = 2,758.92 : x
  2. Step 2: Convert to fraction form
    4,647.68/6,413.36 = 2,758.92/x
  3. Step 3: Cross multiply
    4,647.68x = 6,413.36 × 2,758.92
  4. Step 4: Simplify right side
    4,647.68x = 17,693,933.38
  5. Step 5: Solve for x
    x = 17,693,933.38/4,647.68
  6. Step 6: Final answer
    x = 3,807.05

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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.