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Finding the Fourth Proportional to 6,458.04, 8,910.06 and 3,804.60

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Solution

The fourth proportional to 6,458.04, 8,910.06 and 3,804.60 is: 5,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.04 : 8,910.06 = 3,804.60 : x
  2. Step 2: Convert to fraction form
    6,458.04/8,910.06 = 3,804.60/x
  3. Step 3: Cross multiply
    6,458.04x = 8,910.06 × 3,804.60
  4. Step 4: Simplify right side
    6,458.04x = 33,899,214.28
  5. Step 5: Solve for x
    x = 33,899,214.28/6,458.04
  6. Step 6: Final answer
    x = 5,249.15

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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.