Home / 5,412.52-7,475.34-4,231.90

Finding the Fourth Proportional to 5,412.52, 7,475.34 and 4,231.90

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Solution

The fourth proportional to 5,412.52, 7,475.34 and 4,231.90 is: 5,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.52 : 7,475.34 = 4,231.90 : x
  2. Step 2: Convert to fraction form
    5,412.52/7,475.34 = 4,231.90/x
  3. Step 3: Cross multiply
    5,412.52x = 7,475.34 × 4,231.90
  4. Step 4: Simplify right side
    5,412.52x = 31,634,891.35
  5. Step 5: Solve for x
    x = 31,634,891.35/5,412.52
  6. Step 6: Final answer
    x = 5,844.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.