Home / 6,905.64-9,529.77-3,761.83

Finding the Fourth Proportional to 6,905.64, 9,529.77 and 3,761.83

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Solution

The fourth proportional to 6,905.64, 9,529.77 and 3,761.83 is: 5,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.64 : 9,529.77 = 3,761.83 : x
  2. Step 2: Convert to fraction form
    6,905.64/9,529.77 = 3,761.83/x
  3. Step 3: Cross multiply
    6,905.64x = 9,529.77 × 3,761.83
  4. Step 4: Simplify right side
    6,905.64x = 35,849,374.68
  5. Step 5: Solve for x
    x = 35,849,374.68/6,905.64
  6. Step 6: Final answer
    x = 5,191.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.