Home / 6,839.48-9,437.45-3,855.27

Finding the Fourth Proportional to 6,839.48, 9,437.45 and 3,855.27

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Solution

The fourth proportional to 6,839.48, 9,437.45 and 3,855.27 is: 5,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.48 : 9,437.45 = 3,855.27 : x
  2. Step 2: Convert to fraction form
    6,839.48/9,437.45 = 3,855.27/x
  3. Step 3: Cross multiply
    6,839.48x = 9,437.45 × 3,855.27
  4. Step 4: Simplify right side
    6,839.48x = 36,383,927.50
  5. Step 5: Solve for x
    x = 36,383,927.50/6,839.48
  6. Step 6: Final answer
    x = 5,319.69

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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.