Home / 4,990.52-7,463.64-3,231.20

Finding the Fourth Proportional to 4,990.52, 7,463.64 and 3,231.20

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Solution

The fourth proportional to 4,990.52, 7,463.64 and 3,231.20 is: 4,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.52 : 7,463.64 = 3,231.20 : x
  2. Step 2: Convert to fraction form
    4,990.52/7,463.64 = 3,231.20/x
  3. Step 3: Cross multiply
    4,990.52x = 7,463.64 × 3,231.20
  4. Step 4: Simplify right side
    4,990.52x = 24,116,513.57
  5. Step 5: Solve for x
    x = 24,116,513.57/4,990.52
  6. Step 6: Final answer
    x = 4,832.47

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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.