Home / 7,379.67-11,065.85-2,447.64

Finding the Fourth Proportional to 7,379.67, 11,065.85 and 2,447.64

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Solution

The fourth proportional to 7,379.67, 11,065.85 and 2,447.64 is: 3,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.67 : 11,065.85 = 2,447.64 : x
  2. Step 2: Convert to fraction form
    7,379.67/11,065.85 = 2,447.64/x
  3. Step 3: Cross multiply
    7,379.67x = 11,065.85 × 2,447.64
  4. Step 4: Simplify right side
    7,379.67x = 27,085,204.86
  5. Step 5: Solve for x
    x = 27,085,204.86/7,379.67
  6. Step 6: Final answer
    x = 3,670.25

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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.