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Finding the Fourth Proportional to 8,373.98, 12,552.21 and 2,825.39

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Solution

The fourth proportional to 8,373.98, 12,552.21 and 2,825.39 is: 4,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.98 : 12,552.21 = 2,825.39 : x
  2. Step 2: Convert to fraction form
    8,373.98/12,552.21 = 2,825.39/x
  3. Step 3: Cross multiply
    8,373.98x = 12,552.21 × 2,825.39
  4. Step 4: Simplify right side
    8,373.98x = 35,464,825.85
  5. Step 5: Solve for x
    x = 35,464,825.85/8,373.98
  6. Step 6: Final answer
    x = 4,235.12

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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.