Home / 8,275.52-12,413.64-2,729.18

Finding the Fourth Proportional to 8,275.52, 12,413.64 and 2,729.18

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Solution

The fourth proportional to 8,275.52, 12,413.64 and 2,729.18 is: 4,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.52 : 12,413.64 = 2,729.18 : x
  2. Step 2: Convert to fraction form
    8,275.52/12,413.64 = 2,729.18/x
  3. Step 3: Cross multiply
    8,275.52x = 12,413.64 × 2,729.18
  4. Step 4: Simplify right side
    8,275.52x = 33,879,058.02
  5. Step 5: Solve for x
    x = 33,879,058.02/8,275.52
  6. Step 6: Final answer
    x = 4,093.89

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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.