Home / 7,858.89-11,788.70-2,594.36

Finding the Fourth Proportional to 7,858.89, 11,788.70 and 2,594.36

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Solution

The fourth proportional to 7,858.89, 11,788.70 and 2,594.36 is: 3,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.89 : 11,788.70 = 2,594.36 : x
  2. Step 2: Convert to fraction form
    7,858.89/11,788.70 = 2,594.36/x
  3. Step 3: Cross multiply
    7,858.89x = 11,788.70 × 2,594.36
  4. Step 4: Simplify right side
    7,858.89x = 30,584,059.82
  5. Step 5: Solve for x
    x = 30,584,059.82/7,858.89
  6. Step 6: Final answer
    x = 3,891.65

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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.