Home / 8,795.78-12,137.82-5,260.94

Finding the Fourth Proportional to 8,795.78, 12,137.82 and 5,260.94

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Solution

The fourth proportional to 8,795.78, 12,137.82 and 5,260.94 is: 7,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.78 : 12,137.82 = 5,260.94 : x
  2. Step 2: Convert to fraction form
    8,795.78/12,137.82 = 5,260.94/x
  3. Step 3: Cross multiply
    8,795.78x = 12,137.82 × 5,260.94
  4. Step 4: Simplify right side
    8,795.78x = 63,856,342.75
  5. Step 5: Solve for x
    x = 63,856,342.75/8,795.78
  6. Step 6: Final answer
    x = 7,259.88

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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.