Home / 6,789.49-9,370.80-4,427.53

Finding the Fourth Proportional to 6,789.49, 9,370.80 and 4,427.53

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Solution

The fourth proportional to 6,789.49, 9,370.80 and 4,427.53 is: 6,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.49 : 9,370.80 = 4,427.53 : x
  2. Step 2: Convert to fraction form
    6,789.49/9,370.80 = 4,427.53/x
  3. Step 3: Cross multiply
    6,789.49x = 9,370.80 × 4,427.53
  4. Step 4: Simplify right side
    6,789.49x = 41,489,474.70
  5. Step 5: Solve for x
    x = 41,489,474.70/6,789.49
  6. Step 6: Final answer
    x = 6,110.84

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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.