Home / 8,286.53-11,434.37-5,603.58

Finding the Fourth Proportional to 8,286.53, 11,434.37 and 5,603.58

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Solution

The fourth proportional to 8,286.53, 11,434.37 and 5,603.58 is: 7,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.53 : 11,434.37 = 5,603.58 : x
  2. Step 2: Convert to fraction form
    8,286.53/11,434.37 = 5,603.58/x
  3. Step 3: Cross multiply
    8,286.53x = 11,434.37 × 5,603.58
  4. Step 4: Simplify right side
    8,286.53x = 64,073,379.03
  5. Step 5: Solve for x
    x = 64,073,379.03/8,286.53
  6. Step 6: Final answer
    x = 7,732.24

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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.