Home / 6,181.38-8,530.66-3,529.62

Finding the Fourth Proportional to 6,181.38, 8,530.66 and 3,529.62

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Solution

The fourth proportional to 6,181.38, 8,530.66 and 3,529.62 is: 4,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.38 : 8,530.66 = 3,529.62 : x
  2. Step 2: Convert to fraction form
    6,181.38/8,530.66 = 3,529.62/x
  3. Step 3: Cross multiply
    6,181.38x = 8,530.66 × 3,529.62
  4. Step 4: Simplify right side
    6,181.38x = 30,109,988.15
  5. Step 5: Solve for x
    x = 30,109,988.15/6,181.38
  6. Step 6: Final answer
    x = 4,871.08

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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.