Home / 8,045.45-12,069.90-4,097.28

Finding the Fourth Proportional to 8,045.45, 12,069.90 and 4,097.28

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Solution

The fourth proportional to 8,045.45, 12,069.90 and 4,097.28 is: 6,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.45 : 12,069.90 = 4,097.28 : x
  2. Step 2: Convert to fraction form
    8,045.45/12,069.90 = 4,097.28/x
  3. Step 3: Cross multiply
    8,045.45x = 12,069.90 × 4,097.28
  4. Step 4: Simplify right side
    8,045.45x = 49,453,759.87
  5. Step 5: Solve for x
    x = 49,453,759.87/8,045.45
  6. Step 6: Final answer
    x = 6,146.80

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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.