Home / 8,277.48-12,413.18-3,345.80

Finding the Fourth Proportional to 8,277.48, 12,413.18 and 3,345.80

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Solution

The fourth proportional to 8,277.48, 12,413.18 and 3,345.80 is: 5,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.48 : 12,413.18 = 3,345.80 : x
  2. Step 2: Convert to fraction form
    8,277.48/12,413.18 = 3,345.80/x
  3. Step 3: Cross multiply
    8,277.48x = 12,413.18 × 3,345.80
  4. Step 4: Simplify right side
    8,277.48x = 41,532,017.64
  5. Step 5: Solve for x
    x = 41,532,017.64/8,277.48
  6. Step 6: Final answer
    x = 5,017.47

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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.