Home / 7,845.81-11,767.66-2,914.77

Finding the Fourth Proportional to 7,845.81, 11,767.66 and 2,914.77

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Solution

The fourth proportional to 7,845.81, 11,767.66 and 2,914.77 is: 4,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.81 : 11,767.66 = 2,914.77 : x
  2. Step 2: Convert to fraction form
    7,845.81/11,767.66 = 2,914.77/x
  3. Step 3: Cross multiply
    7,845.81x = 11,767.66 × 2,914.77
  4. Step 4: Simplify right side
    7,845.81x = 34,300,051.76
  5. Step 5: Solve for x
    x = 34,300,051.76/7,845.81
  6. Step 6: Final answer
    x = 4,371.77

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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.