Home / 5,448.43-8,172.63-3,808.18

Finding the Fourth Proportional to 5,448.43, 8,172.63 and 3,808.18

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Solution

The fourth proportional to 5,448.43, 8,172.63 and 3,808.18 is: 5,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.43 : 8,172.63 = 3,808.18 : x
  2. Step 2: Convert to fraction form
    5,448.43/8,172.63 = 3,808.18/x
  3. Step 3: Cross multiply
    5,448.43x = 8,172.63 × 3,808.18
  4. Step 4: Simplify right side
    5,448.43x = 31,122,846.11
  5. Step 5: Solve for x
    x = 31,122,846.11/5,448.43
  6. Step 6: Final answer
    x = 5,712.26

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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.