Home / 6,839.22-9,438.48-4,186.50

Finding the Fourth Proportional to 6,839.22, 9,438.48 and 4,186.50

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Solution

The fourth proportional to 6,839.22, 9,438.48 and 4,186.50 is: 5,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.22 : 9,438.48 = 4,186.50 : x
  2. Step 2: Convert to fraction form
    6,839.22/9,438.48 = 4,186.50/x
  3. Step 3: Cross multiply
    6,839.22x = 9,438.48 × 4,186.50
  4. Step 4: Simplify right side
    6,839.22x = 39,514,196.52
  5. Step 5: Solve for x
    x = 39,514,196.52/6,839.22
  6. Step 6: Final answer
    x = 5,777.59

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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.