Home / 8,785.32-13,168.77-5,453.58

Finding the Fourth Proportional to 8,785.32, 13,168.77 and 5,453.58

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Solution

The fourth proportional to 8,785.32, 13,168.77 and 5,453.58 is: 8,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.32 : 13,168.77 = 5,453.58 : x
  2. Step 2: Convert to fraction form
    8,785.32/13,168.77 = 5,453.58/x
  3. Step 3: Cross multiply
    8,785.32x = 13,168.77 × 5,453.58
  4. Step 4: Simplify right side
    8,785.32x = 71,816,940.70
  5. Step 5: Solve for x
    x = 71,816,940.70/8,785.32
  6. Step 6: Final answer
    x = 8,174.65

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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.