Home / 7,663.05-11,490.53-2,731.95

Finding the Fourth Proportional to 7,663.05, 11,490.53 and 2,731.95

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Solution

The fourth proportional to 7,663.05, 11,490.53 and 2,731.95 is: 4,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.05 : 11,490.53 = 2,731.95 : x
  2. Step 2: Convert to fraction form
    7,663.05/11,490.53 = 2,731.95/x
  3. Step 3: Cross multiply
    7,663.05x = 11,490.53 × 2,731.95
  4. Step 4: Simplify right side
    7,663.05x = 31,391,539.77
  5. Step 5: Solve for x
    x = 31,391,539.77/7,663.05
  6. Step 6: Final answer
    x = 4,096.48

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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.