Home / 6,475.40-9,723.90-4,293.80

Finding the Fourth Proportional to 6,475.40, 9,723.90 and 4,293.80

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Solution

The fourth proportional to 6,475.40, 9,723.90 and 4,293.80 is: 6,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.40 : 9,723.90 = 4,293.80 : x
  2. Step 2: Convert to fraction form
    6,475.40/9,723.90 = 4,293.80/x
  3. Step 3: Cross multiply
    6,475.40x = 9,723.90 × 4,293.80
  4. Step 4: Simplify right side
    6,475.40x = 41,752,481.82
  5. Step 5: Solve for x
    x = 41,752,481.82/6,475.40
  6. Step 6: Final answer
    x = 6,447.86

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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.