Home / 4,782.96-7,176.24-1,663.20

Finding the Fourth Proportional to 4,782.96, 7,176.24 and 1,663.20

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Solution

The fourth proportional to 4,782.96, 7,176.24 and 1,663.20 is: 2,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.96 : 7,176.24 = 1,663.20 : x
  2. Step 2: Convert to fraction form
    4,782.96/7,176.24 = 1,663.20/x
  3. Step 3: Cross multiply
    4,782.96x = 7,176.24 × 1,663.20
  4. Step 4: Simplify right side
    4,782.96x = 11,935,522.37
  5. Step 5: Solve for x
    x = 11,935,522.37/4,782.96
  6. Step 6: Final answer
    x = 2,495.43

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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.