Home / 4,679.25-7,020.09-1,758.39

Finding the Fourth Proportional to 4,679.25, 7,020.09 and 1,758.39

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Solution

The fourth proportional to 4,679.25, 7,020.09 and 1,758.39 is: 2,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.25 : 7,020.09 = 1,758.39 : x
  2. Step 2: Convert to fraction form
    4,679.25/7,020.09 = 1,758.39/x
  3. Step 3: Cross multiply
    4,679.25x = 7,020.09 × 1,758.39
  4. Step 4: Simplify right side
    4,679.25x = 12,344,056.06
  5. Step 5: Solve for x
    x = 12,344,056.06/4,679.25
  6. Step 6: Final answer
    x = 2,638.04

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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.