Home / 7,856.35-11,774.80-3,958.63

Finding the Fourth Proportional to 7,856.35, 11,774.80 and 3,958.63

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Solution

The fourth proportional to 7,856.35, 11,774.80 and 3,958.63 is: 5,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.35 : 11,774.80 = 3,958.63 : x
  2. Step 2: Convert to fraction form
    7,856.35/11,774.80 = 3,958.63/x
  3. Step 3: Cross multiply
    7,856.35x = 11,774.80 × 3,958.63
  4. Step 4: Simplify right side
    7,856.35x = 46,612,076.52
  5. Step 5: Solve for x
    x = 46,612,076.52/7,856.35
  6. Step 6: Final answer
    x = 5,933.04

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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.