Home / 5,261.33-7,896.86-2,666.09

Finding the Fourth Proportional to 5,261.33, 7,896.86 and 2,666.09

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Solution

The fourth proportional to 5,261.33, 7,896.86 and 2,666.09 is: 4,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.33 : 7,896.86 = 2,666.09 : x
  2. Step 2: Convert to fraction form
    5,261.33/7,896.86 = 2,666.09/x
  3. Step 3: Cross multiply
    5,261.33x = 7,896.86 × 2,666.09
  4. Step 4: Simplify right side
    5,261.33x = 21,053,739.48
  5. Step 5: Solve for x
    x = 21,053,739.48/5,261.33
  6. Step 6: Final answer
    x = 4,001.60

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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.