Home / 6,343.60-8,753.99-3,511.09

Finding the Fourth Proportional to 6,343.60, 8,753.99 and 3,511.09

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Solution

The fourth proportional to 6,343.60, 8,753.99 and 3,511.09 is: 4,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.60 : 8,753.99 = 3,511.09 : x
  2. Step 2: Convert to fraction form
    6,343.60/8,753.99 = 3,511.09/x
  3. Step 3: Cross multiply
    6,343.60x = 8,753.99 × 3,511.09
  4. Step 4: Simplify right side
    6,343.60x = 30,736,037.97
  5. Step 5: Solve for x
    x = 30,736,037.97/6,343.60
  6. Step 6: Final answer
    x = 4,845.20

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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.