Home / 9,302.31-13,953.20-2,728.62

Finding the Fourth Proportional to 9,302.31, 13,953.20 and 2,728.62

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Solution

The fourth proportional to 9,302.31, 13,953.20 and 2,728.62 is: 4,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.31 : 13,953.20 = 2,728.62 : x
  2. Step 2: Convert to fraction form
    9,302.31/13,953.20 = 2,728.62/x
  3. Step 3: Cross multiply
    9,302.31x = 13,953.20 × 2,728.62
  4. Step 4: Simplify right side
    9,302.31x = 38,072,966.94
  5. Step 5: Solve for x
    x = 38,072,966.94/9,302.31
  6. Step 6: Final answer
    x = 4,092.85

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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.