Home / 7,115.82-10,673.76-4,190.64

Finding the Fourth Proportional to 7,115.82, 10,673.76 and 4,190.64

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Solution

The fourth proportional to 7,115.82, 10,673.76 and 4,190.64 is: 6,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.82 : 10,673.76 = 4,190.64 : x
  2. Step 2: Convert to fraction form
    7,115.82/10,673.76 = 4,190.64/x
  3. Step 3: Cross multiply
    7,115.82x = 10,673.76 × 4,190.64
  4. Step 4: Simplify right side
    7,115.82x = 44,729,885.61
  5. Step 5: Solve for x
    x = 44,729,885.61/7,115.82
  6. Step 6: Final answer
    x = 6,285.98

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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.