Home / 5,104.50-7,047.09-3,860.34

Finding the Fourth Proportional to 5,104.50, 7,047.09 and 3,860.34

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Solution

The fourth proportional to 5,104.50, 7,047.09 and 3,860.34 is: 5,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.50 : 7,047.09 = 3,860.34 : x
  2. Step 2: Convert to fraction form
    5,104.50/7,047.09 = 3,860.34/x
  3. Step 3: Cross multiply
    5,104.50x = 7,047.09 × 3,860.34
  4. Step 4: Simplify right side
    5,104.50x = 27,204,163.41
  5. Step 5: Solve for x
    x = 27,204,163.41/5,104.50
  6. Step 6: Final answer
    x = 5,329.45

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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.