Home / 5,142.12-7,713.48-1,444.64

Finding the Fourth Proportional to 5,142.12, 7,713.48 and 1,444.64

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Solution

The fourth proportional to 5,142.12, 7,713.48 and 1,444.64 is: 2,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.12 : 7,713.48 = 1,444.64 : x
  2. Step 2: Convert to fraction form
    5,142.12/7,713.48 = 1,444.64/x
  3. Step 3: Cross multiply
    5,142.12x = 7,713.48 × 1,444.64
  4. Step 4: Simplify right side
    5,142.12x = 11,143,187.16
  5. Step 5: Solve for x
    x = 11,143,187.16/5,142.12
  6. Step 6: Final answer
    x = 2,167.04

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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.