Home / 5,613.24-8,420.82-1,716.76

Finding the Fourth Proportional to 5,613.24, 8,420.82 and 1,716.76

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Solution

The fourth proportional to 5,613.24, 8,420.82 and 1,716.76 is: 2,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.24 : 8,420.82 = 1,716.76 : x
  2. Step 2: Convert to fraction form
    5,613.24/8,420.82 = 1,716.76/x
  3. Step 3: Cross multiply
    5,613.24x = 8,420.82 × 1,716.76
  4. Step 4: Simplify right side
    5,613.24x = 14,456,526.94
  5. Step 5: Solve for x
    x = 14,456,526.94/5,613.24
  6. Step 6: Final answer
    x = 2,575.43

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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.