Home / 6,413.12-9,563.68-5,705.18

Finding the Fourth Proportional to 6,413.12, 9,563.68 and 5,705.18

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Solution

The fourth proportional to 6,413.12, 9,563.68 and 5,705.18 is: 8,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.12 : 9,563.68 = 5,705.18 : x
  2. Step 2: Convert to fraction form
    6,413.12/9,563.68 = 5,705.18/x
  3. Step 3: Cross multiply
    6,413.12x = 9,563.68 × 5,705.18
  4. Step 4: Simplify right side
    6,413.12x = 54,562,515.86
  5. Step 5: Solve for x
    x = 54,562,515.86/6,413.12
  6. Step 6: Final answer
    x = 8,507.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.