Home / 6,187.07-8,540.49-3,828.75

Finding the Fourth Proportional to 6,187.07, 8,540.49 and 3,828.75

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Solution

The fourth proportional to 6,187.07, 8,540.49 and 3,828.75 is: 5,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.07 : 8,540.49 = 3,828.75 : x
  2. Step 2: Convert to fraction form
    6,187.07/8,540.49 = 3,828.75/x
  3. Step 3: Cross multiply
    6,187.07x = 8,540.49 × 3,828.75
  4. Step 4: Simplify right side
    6,187.07x = 32,699,401.09
  5. Step 5: Solve for x
    x = 32,699,401.09/6,187.07
  6. Step 6: Final answer
    x = 5,285.12

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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.