Home / 4,415.96-6,628.26-2,109.08

Finding the Fourth Proportional to 4,415.96, 6,628.26 and 2,109.08

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Solution

The fourth proportional to 4,415.96, 6,628.26 and 2,109.08 is: 3,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.96 : 6,628.26 = 2,109.08 : x
  2. Step 2: Convert to fraction form
    4,415.96/6,628.26 = 2,109.08/x
  3. Step 3: Cross multiply
    4,415.96x = 6,628.26 × 2,109.08
  4. Step 4: Simplify right side
    4,415.96x = 13,979,530.60
  5. Step 5: Solve for x
    x = 13,979,530.60/4,415.96
  6. Step 6: Final answer
    x = 3,165.68

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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.