Home / 7,326.16-10,990.44-3,628.54

Finding the Fourth Proportional to 7,326.16, 10,990.44 and 3,628.54

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Solution

The fourth proportional to 7,326.16, 10,990.44 and 3,628.54 is: 5,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.16 : 10,990.44 = 3,628.54 : x
  2. Step 2: Convert to fraction form
    7,326.16/10,990.44 = 3,628.54/x
  3. Step 3: Cross multiply
    7,326.16x = 10,990.44 × 3,628.54
  4. Step 4: Simplify right side
    7,326.16x = 39,879,251.16
  5. Step 5: Solve for x
    x = 39,879,251.16/7,326.16
  6. Step 6: Final answer
    x = 5,443.40

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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.