Home / 8,235.45-12,351.69-4,074.12

Finding the Fourth Proportional to 8,235.45, 12,351.69 and 4,074.12

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Solution

The fourth proportional to 8,235.45, 12,351.69 and 4,074.12 is: 6,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.45 : 12,351.69 = 4,074.12 : x
  2. Step 2: Convert to fraction form
    8,235.45/12,351.69 = 4,074.12/x
  3. Step 3: Cross multiply
    8,235.45x = 12,351.69 × 4,074.12
  4. Step 4: Simplify right side
    8,235.45x = 50,322,267.26
  5. Step 5: Solve for x
    x = 50,322,267.26/8,235.45
  6. Step 6: Final answer
    x = 6,110.45

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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.