Home / 7,917.66-11,865.15-4,447.62

Finding the Fourth Proportional to 7,917.66, 11,865.15 and 4,447.62

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Solution

The fourth proportional to 7,917.66, 11,865.15 and 4,447.62 is: 6,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.66 : 11,865.15 = 4,447.62 : x
  2. Step 2: Convert to fraction form
    7,917.66/11,865.15 = 4,447.62/x
  3. Step 3: Cross multiply
    7,917.66x = 11,865.15 × 4,447.62
  4. Step 4: Simplify right side
    7,917.66x = 52,771,678.44
  5. Step 5: Solve for x
    x = 52,771,678.44/7,917.66
  6. Step 6: Final answer
    x = 6,665.06

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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.