Home / 7,379.45-11,066.78-2,447.77

Finding the Fourth Proportional to 7,379.45, 11,066.78 and 2,447.77

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Solution

The fourth proportional to 7,379.45, 11,066.78 and 2,447.77 is: 3,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.45 : 11,066.78 = 2,447.77 : x
  2. Step 2: Convert to fraction form
    7,379.45/11,066.78 = 2,447.77/x
  3. Step 3: Cross multiply
    7,379.45x = 11,066.78 × 2,447.77
  4. Step 4: Simplify right side
    7,379.45x = 27,088,892.17
  5. Step 5: Solve for x
    x = 27,088,892.17/7,379.45
  6. Step 6: Final answer
    x = 3,670.85

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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.