Home / 7,824.90-11,738.37-2,558.07

Finding the Fourth Proportional to 7,824.90, 11,738.37 and 2,558.07

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Solution

The fourth proportional to 7,824.90, 11,738.37 and 2,558.07 is: 3,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.90 : 11,738.37 = 2,558.07 : x
  2. Step 2: Convert to fraction form
    7,824.90/11,738.37 = 2,558.07/x
  3. Step 3: Cross multiply
    7,824.90x = 11,738.37 × 2,558.07
  4. Step 4: Simplify right side
    7,824.90x = 30,027,572.15
  5. Step 5: Solve for x
    x = 30,027,572.15/7,824.90
  6. Step 6: Final answer
    x = 3,837.44

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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.