Home / 8,409.28-11,604.81-4,874.55

Finding the Fourth Proportional to 8,409.28, 11,604.81 and 4,874.55

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Solution

The fourth proportional to 8,409.28, 11,604.81 and 4,874.55 is: 6,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.28 : 11,604.81 = 4,874.55 : x
  2. Step 2: Convert to fraction form
    8,409.28/11,604.81 = 4,874.55/x
  3. Step 3: Cross multiply
    8,409.28x = 11,604.81 × 4,874.55
  4. Step 4: Simplify right side
    8,409.28x = 56,568,226.59
  5. Step 5: Solve for x
    x = 56,568,226.59/8,409.28
  6. Step 6: Final answer
    x = 6,726.88

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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.