Home / 7,636.20-11,454.16-3,196.28

Finding the Fourth Proportional to 7,636.20, 11,454.16 and 3,196.28

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Solution

The fourth proportional to 7,636.20, 11,454.16 and 3,196.28 is: 4,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.20 : 11,454.16 = 3,196.28 : x
  2. Step 2: Convert to fraction form
    7,636.20/11,454.16 = 3,196.28/x
  3. Step 3: Cross multiply
    7,636.20x = 11,454.16 × 3,196.28
  4. Step 4: Simplify right side
    7,636.20x = 36,610,702.52
  5. Step 5: Solve for x
    x = 36,610,702.52/7,636.20
  6. Step 6: Final answer
    x = 4,794.36

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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.