Home / 6,453.44-8,905.57-3,620.58

Finding the Fourth Proportional to 6,453.44, 8,905.57 and 3,620.58

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Solution

The fourth proportional to 6,453.44, 8,905.57 and 3,620.58 is: 4,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.44 : 8,905.57 = 3,620.58 : x
  2. Step 2: Convert to fraction form
    6,453.44/8,905.57 = 3,620.58/x
  3. Step 3: Cross multiply
    6,453.44x = 8,905.57 × 3,620.58
  4. Step 4: Simplify right side
    6,453.44x = 32,243,284.10
  5. Step 5: Solve for x
    x = 32,243,284.10/6,453.44
  6. Step 6: Final answer
    x = 4,996.30

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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.