Home / 8,241.94-11,370.24-6,478.68

Finding the Fourth Proportional to 8,241.94, 11,370.24 and 6,478.68

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Solution

The fourth proportional to 8,241.94, 11,370.24 and 6,478.68 is: 8,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.94 : 11,370.24 = 6,478.68 : x
  2. Step 2: Convert to fraction form
    8,241.94/11,370.24 = 6,478.68/x
  3. Step 3: Cross multiply
    8,241.94x = 11,370.24 × 6,478.68
  4. Step 4: Simplify right side
    8,241.94x = 73,664,146.48
  5. Step 5: Solve for x
    x = 73,664,146.48/8,241.94
  6. Step 6: Final answer
    x = 8,937.72

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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.