Home / 4,784.67-7,178.37-1,863.81

Finding the Fourth Proportional to 4,784.67, 7,178.37 and 1,863.81

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Solution

The fourth proportional to 4,784.67, 7,178.37 and 1,863.81 is: 2,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.67 : 7,178.37 = 1,863.81 : x
  2. Step 2: Convert to fraction form
    4,784.67/7,178.37 = 1,863.81/x
  3. Step 3: Cross multiply
    4,784.67x = 7,178.37 × 1,863.81
  4. Step 4: Simplify right side
    4,784.67x = 13,379,108.47
  5. Step 5: Solve for x
    x = 13,379,108.47/4,784.67
  6. Step 6: Final answer
    x = 2,796.24

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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.