Home / 7,975.36-11,965.44-3,045.12

Finding the Fourth Proportional to 7,975.36, 11,965.44 and 3,045.12

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Solution

The fourth proportional to 7,975.36, 11,965.44 and 3,045.12 is: 4,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.36 : 11,965.44 = 3,045.12 : x
  2. Step 2: Convert to fraction form
    7,975.36/11,965.44 = 3,045.12/x
  3. Step 3: Cross multiply
    7,975.36x = 11,965.44 × 3,045.12
  4. Step 4: Simplify right side
    7,975.36x = 36,436,200.65
  5. Step 5: Solve for x
    x = 36,436,200.65/7,975.36
  6. Step 6: Final answer
    x = 4,568.60

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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.