Home / 6,883.86-9,499.57-3,858.78

Finding the Fourth Proportional to 6,883.86, 9,499.57 and 3,858.78

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Solution

The fourth proportional to 6,883.86, 9,499.57 and 3,858.78 is: 5,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.86 : 9,499.57 = 3,858.78 : x
  2. Step 2: Convert to fraction form
    6,883.86/9,499.57 = 3,858.78/x
  3. Step 3: Cross multiply
    6,883.86x = 9,499.57 × 3,858.78
  4. Step 4: Simplify right side
    6,883.86x = 36,656,741.08
  5. Step 5: Solve for x
    x = 36,656,741.08/6,883.86
  6. Step 6: Final answer
    x = 5,325.03

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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.