Home / 5,613.26-8,421.09-2,150.50

Finding the Fourth Proportional to 5,613.26, 8,421.09 and 2,150.50

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Solution

The fourth proportional to 5,613.26, 8,421.09 and 2,150.50 is: 3,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.26 : 8,421.09 = 2,150.50 : x
  2. Step 2: Convert to fraction form
    5,613.26/8,421.09 = 2,150.50/x
  3. Step 3: Cross multiply
    5,613.26x = 8,421.09 × 2,150.50
  4. Step 4: Simplify right side
    5,613.26x = 18,109,554.05
  5. Step 5: Solve for x
    x = 18,109,554.05/5,613.26
  6. Step 6: Final answer
    x = 3,226.21

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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.