Home / 9,208.80-13,785.84-5,911.92

Finding the Fourth Proportional to 9,208.80, 13,785.84 and 5,911.92

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Solution

The fourth proportional to 9,208.80, 13,785.84 and 5,911.92 is: 8,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.80 : 13,785.84 = 5,911.92 : x
  2. Step 2: Convert to fraction form
    9,208.80/13,785.84 = 5,911.92/x
  3. Step 3: Cross multiply
    9,208.80x = 13,785.84 × 5,911.92
  4. Step 4: Simplify right side
    9,208.80x = 81,500,783.21
  5. Step 5: Solve for x
    x = 81,500,783.21/9,208.80
  6. Step 6: Final answer
    x = 8,850.32

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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.