Home / 7,864.45-11,796.68-2,670.37

Finding the Fourth Proportional to 7,864.45, 11,796.68 and 2,670.37

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Solution

The fourth proportional to 7,864.45, 11,796.68 and 2,670.37 is: 4,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.45 : 11,796.68 = 2,670.37 : x
  2. Step 2: Convert to fraction form
    7,864.45/11,796.68 = 2,670.37/x
  3. Step 3: Cross multiply
    7,864.45x = 11,796.68 × 2,670.37
  4. Step 4: Simplify right side
    7,864.45x = 31,501,500.37
  5. Step 5: Solve for x
    x = 31,501,500.37/7,864.45
  6. Step 6: Final answer
    x = 4,005.56

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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.