Home / 6,538.41-9,021.65-3,884.85

Finding the Fourth Proportional to 6,538.41, 9,021.65 and 3,884.85

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Solution

The fourth proportional to 6,538.41, 9,021.65 and 3,884.85 is: 5,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.41 : 9,021.65 = 3,884.85 : x
  2. Step 2: Convert to fraction form
    6,538.41/9,021.65 = 3,884.85/x
  3. Step 3: Cross multiply
    6,538.41x = 9,021.65 × 3,884.85
  4. Step 4: Simplify right side
    6,538.41x = 35,047,737.58
  5. Step 5: Solve for x
    x = 35,047,737.58/6,538.41
  6. Step 6: Final answer
    x = 5,360.28

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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.