Home / 6,426.30-9,638.64-2,727.84

Finding the Fourth Proportional to 6,426.30, 9,638.64 and 2,727.84

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Solution

The fourth proportional to 6,426.30, 9,638.64 and 2,727.84 is: 4,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.30 : 9,638.64 = 2,727.84 : x
  2. Step 2: Convert to fraction form
    6,426.30/9,638.64 = 2,727.84/x
  3. Step 3: Cross multiply
    6,426.30x = 9,638.64 × 2,727.84
  4. Step 4: Simplify right side
    6,426.30x = 26,292,667.74
  5. Step 5: Solve for x
    x = 26,292,667.74/6,426.30
  6. Step 6: Final answer
    x = 4,091.42

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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.