Home / 7,747.52-11,627.11-5,672.87

Finding the Fourth Proportional to 7,747.52, 11,627.11 and 5,672.87

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Solution

The fourth proportional to 7,747.52, 11,627.11 and 5,672.87 is: 8,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.52 : 11,627.11 = 5,672.87 : x
  2. Step 2: Convert to fraction form
    7,747.52/11,627.11 = 5,672.87/x
  3. Step 3: Cross multiply
    7,747.52x = 11,627.11 × 5,672.87
  4. Step 4: Simplify right side
    7,747.52x = 65,959,076.06
  5. Step 5: Solve for x
    x = 65,959,076.06/7,747.52
  6. Step 6: Final answer
    x = 8,513.58

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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.