Home / 5,448.90-8,167.50-2,157.42

Finding the Fourth Proportional to 5,448.90, 8,167.50 and 2,157.42

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Solution

The fourth proportional to 5,448.90, 8,167.50 and 2,157.42 is: 3,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.90 : 8,167.50 = 2,157.42 : x
  2. Step 2: Convert to fraction form
    5,448.90/8,167.50 = 2,157.42/x
  3. Step 3: Cross multiply
    5,448.90x = 8,167.50 × 2,157.42
  4. Step 4: Simplify right side
    5,448.90x = 17,620,727.85
  5. Step 5: Solve for x
    x = 17,620,727.85/5,448.90
  6. Step 6: Final answer
    x = 3,233.81

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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.