Home / 4,407.08-6,609.05-1,286.28

Finding the Fourth Proportional to 4,407.08, 6,609.05 and 1,286.28

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Solution

The fourth proportional to 4,407.08, 6,609.05 and 1,286.28 is: 1,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.08 : 6,609.05 = 1,286.28 : x
  2. Step 2: Convert to fraction form
    4,407.08/6,609.05 = 1,286.28/x
  3. Step 3: Cross multiply
    4,407.08x = 6,609.05 × 1,286.28
  4. Step 4: Simplify right side
    4,407.08x = 8,501,049.36
  5. Step 5: Solve for x
    x = 8,501,049.36/4,407.08
  6. Step 6: Final answer
    x = 1,928.96

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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.