Home / 5,431.93-8,149.26-1,536.34

Finding the Fourth Proportional to 5,431.93, 8,149.26 and 1,536.34

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Solution

The fourth proportional to 5,431.93, 8,149.26 and 1,536.34 is: 2,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.93 : 8,149.26 = 1,536.34 : x
  2. Step 2: Convert to fraction form
    5,431.93/8,149.26 = 1,536.34/x
  3. Step 3: Cross multiply
    5,431.93x = 8,149.26 × 1,536.34
  4. Step 4: Simplify right side
    5,431.93x = 12,519,993.36
  5. Step 5: Solve for x
    x = 12,519,993.36/5,431.93
  6. Step 6: Final answer
    x = 2,304.89

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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.