Home / 6,181.61-8,529.09-3,664.31

Finding the Fourth Proportional to 6,181.61, 8,529.09 and 3,664.31

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Solution

The fourth proportional to 6,181.61, 8,529.09 and 3,664.31 is: 5,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.61 : 8,529.09 = 3,664.31 : x
  2. Step 2: Convert to fraction form
    6,181.61/8,529.09 = 3,664.31/x
  3. Step 3: Cross multiply
    6,181.61x = 8,529.09 × 3,664.31
  4. Step 4: Simplify right side
    6,181.61x = 31,253,187.13
  5. Step 5: Solve for x
    x = 31,253,187.13/6,181.61
  6. Step 6: Final answer
    x = 5,055.84

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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.