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Finding the Fourth Proportional to 5,758.53, 8,638.05 and 2,010.69

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Solution

The fourth proportional to 5,758.53, 8,638.05 and 2,010.69 is: 3,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.53 : 8,638.05 = 2,010.69 : x
  2. Step 2: Convert to fraction form
    5,758.53/8,638.05 = 2,010.69/x
  3. Step 3: Cross multiply
    5,758.53x = 8,638.05 × 2,010.69
  4. Step 4: Simplify right side
    5,758.53x = 17,368,433.21
  5. Step 5: Solve for x
    x = 17,368,433.21/5,758.53
  6. Step 6: Final answer
    x = 3,016.12

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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.