Home / 7,072.56-10,605.20-3,173.63

Finding the Fourth Proportional to 7,072.56, 10,605.20 and 3,173.63

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Solution

The fourth proportional to 7,072.56, 10,605.20 and 3,173.63 is: 4,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.56 : 10,605.20 = 3,173.63 : x
  2. Step 2: Convert to fraction form
    7,072.56/10,605.20 = 3,173.63/x
  3. Step 3: Cross multiply
    7,072.56x = 10,605.20 × 3,173.63
  4. Step 4: Simplify right side
    7,072.56x = 33,656,911.98
  5. Step 5: Solve for x
    x = 33,656,911.98/7,072.56
  6. Step 6: Final answer
    x = 4,758.80

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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.