Home / 5,413.47-8,119.26-1,518.18

Finding the Fourth Proportional to 5,413.47, 8,119.26 and 1,518.18

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Solution

The fourth proportional to 5,413.47, 8,119.26 and 1,518.18 is: 2,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.47 : 8,119.26 = 1,518.18 : x
  2. Step 2: Convert to fraction form
    5,413.47/8,119.26 = 1,518.18/x
  3. Step 3: Cross multiply
    5,413.47x = 8,119.26 × 1,518.18
  4. Step 4: Simplify right side
    5,413.47x = 12,326,498.15
  5. Step 5: Solve for x
    x = 12,326,498.15/5,413.47
  6. Step 6: Final answer
    x = 2,277.00

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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.