Home / 5,613.26-8,420.84-1,716.75

Finding the Fourth Proportional to 5,613.26, 8,420.84 and 1,716.75

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Solution

The fourth proportional to 5,613.26, 8,420.84 and 1,716.75 is: 2,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.26 : 8,420.84 = 1,716.75 : x
  2. Step 2: Convert to fraction form
    5,613.26/8,420.84 = 1,716.75/x
  3. Step 3: Cross multiply
    5,613.26x = 8,420.84 × 1,716.75
  4. Step 4: Simplify right side
    5,613.26x = 14,456,468.49
  5. Step 5: Solve for x
    x = 14,456,468.49/5,613.26
  6. Step 6: Final answer
    x = 2,575.42

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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.