Home / 6,872.85-9,484.53-3,729.03

Finding the Fourth Proportional to 6,872.85, 9,484.53 and 3,729.03

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Solution

The fourth proportional to 6,872.85, 9,484.53 and 3,729.03 is: 5,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.85 : 9,484.53 = 3,729.03 : x
  2. Step 2: Convert to fraction form
    6,872.85/9,484.53 = 3,729.03/x
  3. Step 3: Cross multiply
    6,872.85x = 9,484.53 × 3,729.03
  4. Step 4: Simplify right side
    6,872.85x = 35,368,101.97
  5. Step 5: Solve for x
    x = 35,368,101.97/6,872.85
  6. Step 6: Final answer
    x = 5,146.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.