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Finding the Fourth Proportional to 4,191, 6,282.90 and 1,592.12

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Solution

The fourth proportional to 4,191, 6,282.90 and 1,592.12 is: 2,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191 : 6,282.90 = 1,592.12 : x
  2. Step 2: Convert to fraction form
    4,191/6,282.90 = 1,592.12/x
  3. Step 3: Cross multiply
    4,191x = 6,282.90 × 1,592.12
  4. Step 4: Simplify right side
    4,191x = 10,003,130.75
  5. Step 5: Solve for x
    x = 10,003,130.75/4,191
  6. Step 6: Final answer
    x = 2,386.81

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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.