Home / 7,858.84-11,789.99-2,595.47

Finding the Fourth Proportional to 7,858.84, 11,789.99 and 2,595.47

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Solution

The fourth proportional to 7,858.84, 11,789.99 and 2,595.47 is: 3,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.84 : 11,789.99 = 2,595.47 : x
  2. Step 2: Convert to fraction form
    7,858.84/11,789.99 = 2,595.47/x
  3. Step 3: Cross multiply
    7,858.84x = 11,789.99 × 2,595.47
  4. Step 4: Simplify right side
    7,858.84x = 30,600,601.31
  5. Step 5: Solve for x
    x = 30,600,601.31/7,858.84
  6. Step 6: Final answer
    x = 3,893.78

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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.