Home / 7,170.44-10,755.63-2,790.95

Finding the Fourth Proportional to 7,170.44, 10,755.63 and 2,790.95

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Solution

The fourth proportional to 7,170.44, 10,755.63 and 2,790.95 is: 4,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.44 : 10,755.63 = 2,790.95 : x
  2. Step 2: Convert to fraction form
    7,170.44/10,755.63 = 2,790.95/x
  3. Step 3: Cross multiply
    7,170.44x = 10,755.63 × 2,790.95
  4. Step 4: Simplify right side
    7,170.44x = 30,018,425.55
  5. Step 5: Solve for x
    x = 30,018,425.55/7,170.44
  6. Step 6: Final answer
    x = 4,186.41

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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.