Home / 7,671.45-11,505.51-2,741.43

Finding the Fourth Proportional to 7,671.45, 11,505.51 and 2,741.43

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Solution

The fourth proportional to 7,671.45, 11,505.51 and 2,741.43 is: 4,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.45 : 11,505.51 = 2,741.43 : x
  2. Step 2: Convert to fraction form
    7,671.45/11,505.51 = 2,741.43/x
  3. Step 3: Cross multiply
    7,671.45x = 11,505.51 × 2,741.43
  4. Step 4: Simplify right side
    7,671.45x = 31,541,550.28
  5. Step 5: Solve for x
    x = 31,541,550.28/7,671.45
  6. Step 6: Final answer
    x = 4,111.55

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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.