Home / 8,403.48-12,604.34-3,723.57

Finding the Fourth Proportional to 8,403.48, 12,604.34 and 3,723.57

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Solution

The fourth proportional to 8,403.48, 12,604.34 and 3,723.57 is: 5,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.48 : 12,604.34 = 3,723.57 : x
  2. Step 2: Convert to fraction form
    8,403.48/12,604.34 = 3,723.57/x
  3. Step 3: Cross multiply
    8,403.48x = 12,604.34 × 3,723.57
  4. Step 4: Simplify right side
    8,403.48x = 46,933,151.60
  5. Step 5: Solve for x
    x = 46,933,151.60/8,403.48
  6. Step 6: Final answer
    x = 5,584.97

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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.