Home / 7,170.69-10,750.55-4,054.22

Finding the Fourth Proportional to 7,170.69, 10,750.55 and 4,054.22

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Solution

The fourth proportional to 7,170.69, 10,750.55 and 4,054.22 is: 6,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.69 : 10,750.55 = 4,054.22 : x
  2. Step 2: Convert to fraction form
    7,170.69/10,750.55 = 4,054.22/x
  3. Step 3: Cross multiply
    7,170.69x = 10,750.55 × 4,054.22
  4. Step 4: Simplify right side
    7,170.69x = 43,585,020.80
  5. Step 5: Solve for x
    x = 43,585,020.80/7,170.69
  6. Step 6: Final answer
    x = 6,078.22

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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.