Home / 6,181.60-8,529.96-3,529.12

Finding the Fourth Proportional to 6,181.60, 8,529.96 and 3,529.12

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Solution

The fourth proportional to 6,181.60, 8,529.96 and 3,529.12 is: 4,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.60 : 8,529.96 = 3,529.12 : x
  2. Step 2: Convert to fraction form
    6,181.60/8,529.96 = 3,529.12/x
  3. Step 3: Cross multiply
    6,181.60x = 8,529.96 × 3,529.12
  4. Step 4: Simplify right side
    6,181.60x = 30,103,252.44
  5. Step 5: Solve for x
    x = 30,103,252.44/6,181.60
  6. Step 6: Final answer
    x = 4,869.82

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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.