Home / 7,361.28-11,046.48-2,978.77

Finding the Fourth Proportional to 7,361.28, 11,046.48 and 2,978.77

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Solution

The fourth proportional to 7,361.28, 11,046.48 and 2,978.77 is: 4,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 11,046.48 = 2,978.77 : x
  2. Step 2: Convert to fraction form
    7,361.28/11,046.48 = 2,978.77/x
  3. Step 3: Cross multiply
    7,361.28x = 11,046.48 × 2,978.77
  4. Step 4: Simplify right side
    7,361.28x = 32,904,923.23
  5. Step 5: Solve for x
    x = 32,904,923.23/7,361.28
  6. Step 6: Final answer
    x = 4,470.00

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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.