Home / 6,181.68-8,530.44-3,387.12

Finding the Fourth Proportional to 6,181.68, 8,530.44 and 3,387.12

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Solution

The fourth proportional to 6,181.68, 8,530.44 and 3,387.12 is: 4,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.68 : 8,530.44 = 3,387.12 : x
  2. Step 2: Convert to fraction form
    6,181.68/8,530.44 = 3,387.12/x
  3. Step 3: Cross multiply
    6,181.68x = 8,530.44 × 3,387.12
  4. Step 4: Simplify right side
    6,181.68x = 28,893,623.93
  5. Step 5: Solve for x
    x = 28,893,623.93/6,181.68
  6. Step 6: Final answer
    x = 4,674.07

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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.