Home / 5,636.26-8,462.04-3,172.80

Finding the Fourth Proportional to 5,636.26, 8,462.04 and 3,172.80

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Solution

The fourth proportional to 5,636.26, 8,462.04 and 3,172.80 is: 4,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.26 : 8,462.04 = 3,172.80 : x
  2. Step 2: Convert to fraction form
    5,636.26/8,462.04 = 3,172.80/x
  3. Step 3: Cross multiply
    5,636.26x = 8,462.04 × 3,172.80
  4. Step 4: Simplify right side
    5,636.26x = 26,848,360.51
  5. Step 5: Solve for x
    x = 26,848,360.51/5,636.26
  6. Step 6: Final answer
    x = 4,763.51

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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.