Home / 8,921.98-13,383.88-3,077.83

Finding the Fourth Proportional to 8,921.98, 13,383.88 and 3,077.83

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Solution

The fourth proportional to 8,921.98, 13,383.88 and 3,077.83 is: 4,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.98 : 13,383.88 = 3,077.83 : x
  2. Step 2: Convert to fraction form
    8,921.98/13,383.88 = 3,077.83/x
  3. Step 3: Cross multiply
    8,921.98x = 13,383.88 × 3,077.83
  4. Step 4: Simplify right side
    8,921.98x = 41,193,266.23
  5. Step 5: Solve for x
    x = 41,193,266.23/8,921.98
  6. Step 6: Final answer
    x = 4,617.06

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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.