Home / 6,835.50-9,433.89-4,147.79

Finding the Fourth Proportional to 6,835.50, 9,433.89 and 4,147.79

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Solution

The fourth proportional to 6,835.50, 9,433.89 and 4,147.79 is: 5,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.50 : 9,433.89 = 4,147.79 : x
  2. Step 2: Convert to fraction form
    6,835.50/9,433.89 = 4,147.79/x
  3. Step 3: Cross multiply
    6,835.50x = 9,433.89 × 4,147.79
  4. Step 4: Simplify right side
    6,835.50x = 39,129,747.43
  5. Step 5: Solve for x
    x = 39,129,747.43/6,835.50
  6. Step 6: Final answer
    x = 5,724.49

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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.