Home / 4,526.82-6,789.42-1,239.12

Finding the Fourth Proportional to 4,526.82, 6,789.42 and 1,239.12

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Solution

The fourth proportional to 4,526.82, 6,789.42 and 1,239.12 is: 1,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.82 : 6,789.42 = 1,239.12 : x
  2. Step 2: Convert to fraction form
    4,526.82/6,789.42 = 1,239.12/x
  3. Step 3: Cross multiply
    4,526.82x = 6,789.42 × 1,239.12
  4. Step 4: Simplify right side
    4,526.82x = 8,412,906.11
  5. Step 5: Solve for x
    x = 8,412,906.11/4,526.82
  6. Step 6: Final answer
    x = 1,858.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.