Home / 8,239.58-11,367.99-4,702.94

Finding the Fourth Proportional to 8,239.58, 11,367.99 and 4,702.94

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Solution

The fourth proportional to 8,239.58, 11,367.99 and 4,702.94 is: 6,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.58 : 11,367.99 = 4,702.94 : x
  2. Step 2: Convert to fraction form
    8,239.58/11,367.99 = 4,702.94/x
  3. Step 3: Cross multiply
    8,239.58x = 11,367.99 × 4,702.94
  4. Step 4: Simplify right side
    8,239.58x = 53,462,974.89
  5. Step 5: Solve for x
    x = 53,462,974.89/8,239.58
  6. Step 6: Final answer
    x = 6,488.56

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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.