Home / 7,945.66-11,902.58-4,781.34

Finding the Fourth Proportional to 7,945.66, 11,902.58 and 4,781.34

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Solution

The fourth proportional to 7,945.66, 11,902.58 and 4,781.34 is: 7,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.66 : 11,902.58 = 4,781.34 : x
  2. Step 2: Convert to fraction form
    7,945.66/11,902.58 = 4,781.34/x
  3. Step 3: Cross multiply
    7,945.66x = 11,902.58 × 4,781.34
  4. Step 4: Simplify right side
    7,945.66x = 56,910,281.86
  5. Step 5: Solve for x
    x = 56,910,281.86/7,945.66
  6. Step 6: Final answer
    x = 7,162.44

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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.