Home / 6,748.75-10,123.02-2,131.75

Finding the Fourth Proportional to 6,748.75, 10,123.02 and 2,131.75

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Solution

The fourth proportional to 6,748.75, 10,123.02 and 2,131.75 is: 3,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.75 : 10,123.02 = 2,131.75 : x
  2. Step 2: Convert to fraction form
    6,748.75/10,123.02 = 2,131.75/x
  3. Step 3: Cross multiply
    6,748.75x = 10,123.02 × 2,131.75
  4. Step 4: Simplify right side
    6,748.75x = 21,579,747.89
  5. Step 5: Solve for x
    x = 21,579,747.89/6,748.75
  6. Step 6: Final answer
    x = 3,197.59

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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.