Home / 3,625.81-5,447.09-3,478.26

Finding the Fourth Proportional to 3,625.81, 5,447.09 and 3,478.26

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Solution

The fourth proportional to 3,625.81, 5,447.09 and 3,478.26 is: 5,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.81 : 5,447.09 = 3,478.26 : x
  2. Step 2: Convert to fraction form
    3,625.81/5,447.09 = 3,478.26/x
  3. Step 3: Cross multiply
    3,625.81x = 5,447.09 × 3,478.26
  4. Step 4: Simplify right side
    3,625.81x = 18,946,395.26
  5. Step 5: Solve for x
    x = 18,946,395.26/3,625.81
  6. Step 6: Final answer
    x = 5,225.42

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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.