Home / 8,434.26-12,653.82-3,505.01

Finding the Fourth Proportional to 8,434.26, 12,653.82 and 3,505.01

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Solution

The fourth proportional to 8,434.26, 12,653.82 and 3,505.01 is: 5,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.26 : 12,653.82 = 3,505.01 : x
  2. Step 2: Convert to fraction form
    8,434.26/12,653.82 = 3,505.01/x
  3. Step 3: Cross multiply
    8,434.26x = 12,653.82 × 3,505.01
  4. Step 4: Simplify right side
    8,434.26x = 44,351,702.37
  5. Step 5: Solve for x
    x = 44,351,702.37/8,434.26
  6. Step 6: Final answer
    x = 5,258.52

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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.