Home / 6,181.20-8,529.60-3,528.12

Finding the Fourth Proportional to 6,181.20, 8,529.60 and 3,528.12

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Solution

The fourth proportional to 6,181.20, 8,529.60 and 3,528.12 is: 4,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.20 : 8,529.60 = 3,528.12 : x
  2. Step 2: Convert to fraction form
    6,181.20/8,529.60 = 3,528.12/x
  3. Step 3: Cross multiply
    6,181.20x = 8,529.60 × 3,528.12
  4. Step 4: Simplify right side
    6,181.20x = 30,093,452.35
  5. Step 5: Solve for x
    x = 30,093,452.35/6,181.20
  6. Step 6: Final answer
    x = 4,868.55

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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.