Home / 7,652.40-11,478.84-2,721.96

Finding the Fourth Proportional to 7,652.40, 11,478.84 and 2,721.96

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Solution

The fourth proportional to 7,652.40, 11,478.84 and 2,721.96 is: 4,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.40 : 11,478.84 = 2,721.96 : x
  2. Step 2: Convert to fraction form
    7,652.40/11,478.84 = 2,721.96/x
  3. Step 3: Cross multiply
    7,652.40x = 11,478.84 × 2,721.96
  4. Step 4: Simplify right side
    7,652.40x = 31,244,943.33
  5. Step 5: Solve for x
    x = 31,244,943.33/7,652.40
  6. Step 6: Final answer
    x = 4,083.03

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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.