Home / 6,439.06-9,659.58-2,741.32

Finding the Fourth Proportional to 6,439.06, 9,659.58 and 2,741.32

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Solution

The fourth proportional to 6,439.06, 9,659.58 and 2,741.32 is: 4,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.06 : 9,659.58 = 2,741.32 : x
  2. Step 2: Convert to fraction form
    6,439.06/9,659.58 = 2,741.32/x
  3. Step 3: Cross multiply
    6,439.06x = 9,659.58 × 2,741.32
  4. Step 4: Simplify right side
    6,439.06x = 26,479,999.85
  5. Step 5: Solve for x
    x = 26,479,999.85/6,439.06
  6. Step 6: Final answer
    x = 4,112.40

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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.