Home / 6,173.89-8,519.49-3,521.13

Finding the Fourth Proportional to 6,173.89, 8,519.49 and 3,521.13

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Solution

The fourth proportional to 6,173.89, 8,519.49 and 3,521.13 is: 4,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.89 : 8,519.49 = 3,521.13 : x
  2. Step 2: Convert to fraction form
    6,173.89/8,519.49 = 3,521.13/x
  3. Step 3: Cross multiply
    6,173.89x = 8,519.49 × 3,521.13
  4. Step 4: Simplify right side
    6,173.89x = 29,998,214.22
  5. Step 5: Solve for x
    x = 29,998,214.22/6,173.89
  6. Step 6: Final answer
    x = 4,858.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.