Home / 5,142.29-7,712.73-1,444.80

Finding the Fourth Proportional to 5,142.29, 7,712.73 and 1,444.80

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Solution

The fourth proportional to 5,142.29, 7,712.73 and 1,444.80 is: 2,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.29 : 7,712.73 = 1,444.80 : x
  2. Step 2: Convert to fraction form
    5,142.29/7,712.73 = 1,444.80/x
  3. Step 3: Cross multiply
    5,142.29x = 7,712.73 × 1,444.80
  4. Step 4: Simplify right side
    5,142.29x = 11,143,350.72
  5. Step 5: Solve for x
    x = 11,143,350.72/5,142.29
  6. Step 6: Final answer
    x = 2,167.00

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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.