Home / 6,748.13-10,123.83-2,131.13

Finding the Fourth Proportional to 6,748.13, 10,123.83 and 2,131.13

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Solution

The fourth proportional to 6,748.13, 10,123.83 and 2,131.13 is: 3,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.13 : 10,123.83 = 2,131.13 : x
  2. Step 2: Convert to fraction form
    6,748.13/10,123.83 = 2,131.13/x
  3. Step 3: Cross multiply
    6,748.13x = 10,123.83 × 2,131.13
  4. Step 4: Simplify right side
    6,748.13x = 21,575,147.21
  5. Step 5: Solve for x
    x = 21,575,147.21/6,748.13
  6. Step 6: Final answer
    x = 3,197.21

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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.