Home / 4,228.09-6,342.93-1,305.71

Finding the Fourth Proportional to 4,228.09, 6,342.93 and 1,305.71

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Solution

The fourth proportional to 4,228.09, 6,342.93 and 1,305.71 is: 1,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.09 : 6,342.93 = 1,305.71 : x
  2. Step 2: Convert to fraction form
    4,228.09/6,342.93 = 1,305.71/x
  3. Step 3: Cross multiply
    4,228.09x = 6,342.93 × 1,305.71
  4. Step 4: Simplify right side
    4,228.09x = 8,282,027.13
  5. Step 5: Solve for x
    x = 8,282,027.13/4,228.09
  6. Step 6: Final answer
    x = 1,958.81

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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.