Home / 7,832.08-11,748.12-3,939.76

Finding the Fourth Proportional to 7,832.08, 11,748.12 and 3,939.76

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Solution

The fourth proportional to 7,832.08, 11,748.12 and 3,939.76 is: 5,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.08 : 11,748.12 = 3,939.76 : x
  2. Step 2: Convert to fraction form
    7,832.08/11,748.12 = 3,939.76/x
  3. Step 3: Cross multiply
    7,832.08x = 11,748.12 × 3,939.76
  4. Step 4: Simplify right side
    7,832.08x = 46,284,773.25
  5. Step 5: Solve for x
    x = 46,284,773.25/7,832.08
  6. Step 6: Final answer
    x = 5,909.64

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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.