Home / 4,918.36-6,780.18-3,973.96

Finding the Fourth Proportional to 4,918.36, 6,780.18 and 3,973.96

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Solution

The fourth proportional to 4,918.36, 6,780.18 and 3,973.96 is: 5,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.36 : 6,780.18 = 3,973.96 : x
  2. Step 2: Convert to fraction form
    4,918.36/6,780.18 = 3,973.96/x
  3. Step 3: Cross multiply
    4,918.36x = 6,780.18 × 3,973.96
  4. Step 4: Simplify right side
    4,918.36x = 26,944,164.11
  5. Step 5: Solve for x
    x = 26,944,164.11/4,918.36
  6. Step 6: Final answer
    x = 5,478.28

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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.