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Finding the Fourth Proportional to 8,276.40, 12,413.03 and 4,323.39

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Solution

The fourth proportional to 8,276.40, 12,413.03 and 4,323.39 is: 6,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.40 : 12,413.03 = 4,323.39 : x
  2. Step 2: Convert to fraction form
    8,276.40/12,413.03 = 4,323.39/x
  3. Step 3: Cross multiply
    8,276.40x = 12,413.03 × 4,323.39
  4. Step 4: Simplify right side
    8,276.40x = 53,666,348.15
  5. Step 5: Solve for x
    x = 53,666,348.15/8,276.40
  6. Step 6: Final answer
    x = 6,484.27

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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.