Home / 8,627.40-11,896.48-6,633.56

Finding the Fourth Proportional to 8,627.40, 11,896.48 and 6,633.56

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Solution

The fourth proportional to 8,627.40, 11,896.48 and 6,633.56 is: 9,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.40 : 11,896.48 = 6,633.56 : x
  2. Step 2: Convert to fraction form
    8,627.40/11,896.48 = 6,633.56/x
  3. Step 3: Cross multiply
    8,627.40x = 11,896.48 × 6,633.56
  4. Step 4: Simplify right side
    8,627.40x = 78,916,013.87
  5. Step 5: Solve for x
    x = 78,916,013.87/8,627.40
  6. Step 6: Final answer
    x = 9,147.14

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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.