Home / 7,131.44-10,697.60-2,748.92

Finding the Fourth Proportional to 7,131.44, 10,697.60 and 2,748.92

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Solution

The fourth proportional to 7,131.44, 10,697.60 and 2,748.92 is: 4,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.44 : 10,697.60 = 2,748.92 : x
  2. Step 2: Convert to fraction form
    7,131.44/10,697.60 = 2,748.92/x
  3. Step 3: Cross multiply
    7,131.44x = 10,697.60 × 2,748.92
  4. Step 4: Simplify right side
    7,131.44x = 29,406,799.98
  5. Step 5: Solve for x
    x = 29,406,799.98/7,131.44
  6. Step 6: Final answer
    x = 4,123.54

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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.