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Finding the Fourth Proportional to 6,659.08, 9,999.96 and 6,380.44

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Solution

The fourth proportional to 6,659.08, 9,999.96 and 6,380.44 is: 9,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.08 : 9,999.96 = 6,380.44 : x
  2. Step 2: Convert to fraction form
    6,659.08/9,999.96 = 6,380.44/x
  3. Step 3: Cross multiply
    6,659.08x = 9,999.96 × 6,380.44
  4. Step 4: Simplify right side
    6,659.08x = 63,804,095.86
  5. Step 5: Solve for x
    x = 63,804,095.86/6,659.08
  6. Step 6: Final answer
    x = 9,581.52

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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.