Home / 5,077.16-7,614.38-1,789.83

Finding the Fourth Proportional to 5,077.16, 7,614.38 and 1,789.83

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Solution

The fourth proportional to 5,077.16, 7,614.38 and 1,789.83 is: 2,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.16 : 7,614.38 = 1,789.83 : x
  2. Step 2: Convert to fraction form
    5,077.16/7,614.38 = 1,789.83/x
  3. Step 3: Cross multiply
    5,077.16x = 7,614.38 × 1,789.83
  4. Step 4: Simplify right side
    5,077.16x = 13,628,436.81
  5. Step 5: Solve for x
    x = 13,628,436.81/5,077.16
  6. Step 6: Final answer
    x = 2,684.26

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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.