Home / 7,482.82-11,209.86-4,185.92

Finding the Fourth Proportional to 7,482.82, 11,209.86 and 4,185.92

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Solution

The fourth proportional to 7,482.82, 11,209.86 and 4,185.92 is: 6,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.82 : 11,209.86 = 4,185.92 : x
  2. Step 2: Convert to fraction form
    7,482.82/11,209.86 = 4,185.92/x
  3. Step 3: Cross multiply
    7,482.82x = 11,209.86 × 4,185.92
  4. Step 4: Simplify right side
    7,482.82x = 46,923,577.17
  5. Step 5: Solve for x
    x = 46,923,577.17/7,482.82
  6. Step 6: Final answer
    x = 6,270.85

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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.