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Finding the Fourth Proportional to 7,273.59, 10,911.09 and 2,890.07

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Solution

The fourth proportional to 7,273.59, 10,911.09 and 2,890.07 is: 4,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.59 : 10,911.09 = 2,890.07 : x
  2. Step 2: Convert to fraction form
    7,273.59/10,911.09 = 2,890.07/x
  3. Step 3: Cross multiply
    7,273.59x = 10,911.09 × 2,890.07
  4. Step 4: Simplify right side
    7,273.59x = 31,533,759.32
  5. Step 5: Solve for x
    x = 31,533,759.32/7,273.59
  6. Step 6: Final answer
    x = 4,335.38

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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.