Home / 5,104.47-7,654.73-1,984.07

Finding the Fourth Proportional to 5,104.47, 7,654.73 and 1,984.07

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Solution

The fourth proportional to 5,104.47, 7,654.73 and 1,984.07 is: 2,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.47 : 7,654.73 = 1,984.07 : x
  2. Step 2: Convert to fraction form
    5,104.47/7,654.73 = 1,984.07/x
  3. Step 3: Cross multiply
    5,104.47x = 7,654.73 × 1,984.07
  4. Step 4: Simplify right side
    5,104.47x = 15,187,497.47
  5. Step 5: Solve for x
    x = 15,187,497.47/5,104.47
  6. Step 6: Final answer
    x = 2,975.33

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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.