Home / 6,861.46-10,293.78-3,528.44

Finding the Fourth Proportional to 6,861.46, 10,293.78 and 3,528.44

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Solution

The fourth proportional to 6,861.46, 10,293.78 and 3,528.44 is: 5,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.46 : 10,293.78 = 3,528.44 : x
  2. Step 2: Convert to fraction form
    6,861.46/10,293.78 = 3,528.44/x
  3. Step 3: Cross multiply
    6,861.46x = 10,293.78 × 3,528.44
  4. Step 4: Simplify right side
    6,861.46x = 36,320,967.46
  5. Step 5: Solve for x
    x = 36,320,967.46/6,861.46
  6. Step 6: Final answer
    x = 5,293.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.