Home / 4,758.35-7,137.70-1,638.33

Finding the Fourth Proportional to 4,758.35, 7,137.70 and 1,638.33

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Solution

The fourth proportional to 4,758.35, 7,137.70 and 1,638.33 is: 2,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.35 : 7,137.70 = 1,638.33 : x
  2. Step 2: Convert to fraction form
    4,758.35/7,137.70 = 1,638.33/x
  3. Step 3: Cross multiply
    4,758.35x = 7,137.70 × 1,638.33
  4. Step 4: Simplify right side
    4,758.35x = 11,693,886.39
  5. Step 5: Solve for x
    x = 11,693,886.39/4,758.35
  6. Step 6: Final answer
    x = 2,457.55

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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.