Home / 7,485.97-11,235.92-3,790.80

Finding the Fourth Proportional to 7,485.97, 11,235.92 and 3,790.80

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Solution

The fourth proportional to 7,485.97, 11,235.92 and 3,790.80 is: 5,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.97 : 11,235.92 = 3,790.80 : x
  2. Step 2: Convert to fraction form
    7,485.97/11,235.92 = 3,790.80/x
  3. Step 3: Cross multiply
    7,485.97x = 11,235.92 × 3,790.80
  4. Step 4: Simplify right side
    7,485.97x = 42,593,106.58
  5. Step 5: Solve for x
    x = 42,593,106.58/7,485.97
  6. Step 6: Final answer
    x = 5,689.72

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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.