Home / 6,181.18-8,530.37-3,529.44

Finding the Fourth Proportional to 6,181.18, 8,530.37 and 3,529.44

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Solution

The fourth proportional to 6,181.18, 8,530.37 and 3,529.44 is: 4,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.18 : 8,530.37 = 3,529.44 : x
  2. Step 2: Convert to fraction form
    6,181.18/8,530.37 = 3,529.44/x
  3. Step 3: Cross multiply
    6,181.18x = 8,530.37 × 3,529.44
  4. Step 4: Simplify right side
    6,181.18x = 30,107,429.09
  5. Step 5: Solve for x
    x = 30,107,429.09/6,181.18
  6. Step 6: Final answer
    x = 4,870.82

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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.