Home / 8,125.05-12,188.58-2,858.82

Finding the Fourth Proportional to 8,125.05, 12,188.58 and 2,858.82

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Solution

The fourth proportional to 8,125.05, 12,188.58 and 2,858.82 is: 4,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.05 : 12,188.58 = 2,858.82 : x
  2. Step 2: Convert to fraction form
    8,125.05/12,188.58 = 2,858.82/x
  3. Step 3: Cross multiply
    8,125.05x = 12,188.58 × 2,858.82
  4. Step 4: Simplify right side
    8,125.05x = 34,844,956.28
  5. Step 5: Solve for x
    x = 34,844,956.28/8,125.05
  6. Step 6: Final answer
    x = 4,288.58

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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.