Home / 8,286.90-11,434.88-5,603.97

Finding the Fourth Proportional to 8,286.90, 11,434.88 and 5,603.97

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Solution

The fourth proportional to 8,286.90, 11,434.88 and 5,603.97 is: 7,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.90 : 11,434.88 = 5,603.97 : x
  2. Step 2: Convert to fraction form
    8,286.90/11,434.88 = 5,603.97/x
  3. Step 3: Cross multiply
    8,286.90x = 11,434.88 × 5,603.97
  4. Step 4: Simplify right side
    8,286.90x = 64,080,696.45
  5. Step 5: Solve for x
    x = 64,080,696.45/8,286.90
  6. Step 6: Final answer
    x = 7,732.77

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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.