Home / 4,905-6,764.10-3,135.96

Finding the Fourth Proportional to 4,905, 6,764.10 and 3,135.96

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Solution

The fourth proportional to 4,905, 6,764.10 and 3,135.96 is: 4,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905 : 6,764.10 = 3,135.96 : x
  2. Step 2: Convert to fraction form
    4,905/6,764.10 = 3,135.96/x
  3. Step 3: Cross multiply
    4,905x = 6,764.10 × 3,135.96
  4. Step 4: Simplify right side
    4,905x = 21,211,947.04
  5. Step 5: Solve for x
    x = 21,211,947.04/4,905
  6. Step 6: Final answer
    x = 4,324.56

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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.