Home / 7,608.72-11,403.66-4,311.82

Finding the Fourth Proportional to 7,608.72, 11,403.66 and 4,311.82

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Solution

The fourth proportional to 7,608.72, 11,403.66 and 4,311.82 is: 6,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.72 : 11,403.66 = 4,311.82 : x
  2. Step 2: Convert to fraction form
    7,608.72/11,403.66 = 4,311.82/x
  3. Step 3: Cross multiply
    7,608.72x = 11,403.66 × 4,311.82
  4. Step 4: Simplify right side
    7,608.72x = 49,170,529.26
  5. Step 5: Solve for x
    x = 49,170,529.26/7,608.72
  6. Step 6: Final answer
    x = 6,462.39

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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.