Home / 4,918.35-7,377.86-1,631.51

Finding the Fourth Proportional to 4,918.35, 7,377.86 and 1,631.51

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Solution

The fourth proportional to 4,918.35, 7,377.86 and 1,631.51 is: 2,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.35 : 7,377.86 = 1,631.51 : x
  2. Step 2: Convert to fraction form
    4,918.35/7,377.86 = 1,631.51/x
  3. Step 3: Cross multiply
    4,918.35x = 7,377.86 × 1,631.51
  4. Step 4: Simplify right side
    4,918.35x = 12,037,019.56
  5. Step 5: Solve for x
    x = 12,037,019.56/4,918.35
  6. Step 6: Final answer
    x = 2,447.37

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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.