Home / 7,858.12-11,787.29-2,593.68

Finding the Fourth Proportional to 7,858.12, 11,787.29 and 2,593.68

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Solution

The fourth proportional to 7,858.12, 11,787.29 and 2,593.68 is: 3,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.12 : 11,787.29 = 2,593.68 : x
  2. Step 2: Convert to fraction form
    7,858.12/11,787.29 = 2,593.68/x
  3. Step 3: Cross multiply
    7,858.12x = 11,787.29 × 2,593.68
  4. Step 4: Simplify right side
    7,858.12x = 30,572,458.33
  5. Step 5: Solve for x
    x = 30,572,458.33/7,858.12
  6. Step 6: Final answer
    x = 3,890.56

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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.