Home / 9,078.21-13,623.17-3,884.13

Finding the Fourth Proportional to 9,078.21, 13,623.17 and 3,884.13

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Solution

The fourth proportional to 9,078.21, 13,623.17 and 3,884.13 is: 5,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.21 : 13,623.17 = 3,884.13 : x
  2. Step 2: Convert to fraction form
    9,078.21/13,623.17 = 3,884.13/x
  3. Step 3: Cross multiply
    9,078.21x = 13,623.17 × 3,884.13
  4. Step 4: Simplify right side
    9,078.21x = 52,914,143.87
  5. Step 5: Solve for x
    x = 52,914,143.87/9,078.21
  6. Step 6: Final answer
    x = 5,828.70

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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.