Home / 8,785.03-13,182.09-3,858.13

Finding the Fourth Proportional to 8,785.03, 13,182.09 and 3,858.13

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Solution

The fourth proportional to 8,785.03, 13,182.09 and 3,858.13 is: 5,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.03 : 13,182.09 = 3,858.13 : x
  2. Step 2: Convert to fraction form
    8,785.03/13,182.09 = 3,858.13/x
  3. Step 3: Cross multiply
    8,785.03x = 13,182.09 × 3,858.13
  4. Step 4: Simplify right side
    8,785.03x = 50,858,216.89
  5. Step 5: Solve for x
    x = 50,858,216.89/8,785.03
  6. Step 6: Final answer
    x = 5,789.19

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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.