Home / 6,413.40-9,618.66-2,947.32

Finding the Fourth Proportional to 6,413.40, 9,618.66 and 2,947.32

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Solution

The fourth proportional to 6,413.40, 9,618.66 and 2,947.32 is: 4,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.40 : 9,618.66 = 2,947.32 : x
  2. Step 2: Convert to fraction form
    6,413.40/9,618.66 = 2,947.32/x
  3. Step 3: Cross multiply
    6,413.40x = 9,618.66 × 2,947.32
  4. Step 4: Simplify right side
    6,413.40x = 28,349,268.99
  5. Step 5: Solve for x
    x = 28,349,268.99/6,413.40
  6. Step 6: Final answer
    x = 4,420.32

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1.5x scale

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.