Home / 6,129.35-9,175.80-3,662.90

Finding the Fourth Proportional to 6,129.35, 9,175.80 and 3,662.90

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Solution

The fourth proportional to 6,129.35, 9,175.80 and 3,662.90 is: 5,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.35 : 9,175.80 = 3,662.90 : x
  2. Step 2: Convert to fraction form
    6,129.35/9,175.80 = 3,662.90/x
  3. Step 3: Cross multiply
    6,129.35x = 9,175.80 × 3,662.90
  4. Step 4: Simplify right side
    6,129.35x = 33,610,037.82
  5. Step 5: Solve for x
    x = 33,610,037.82/6,129.35
  6. Step 6: Final answer
    x = 5,483.46

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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.