Home / 7,938.04-11,908.98-2,743.96

Finding the Fourth Proportional to 7,938.04, 11,908.98 and 2,743.96

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Solution

The fourth proportional to 7,938.04, 11,908.98 and 2,743.96 is: 4,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.04 : 11,908.98 = 2,743.96 : x
  2. Step 2: Convert to fraction form
    7,938.04/11,908.98 = 2,743.96/x
  3. Step 3: Cross multiply
    7,938.04x = 11,908.98 × 2,743.96
  4. Step 4: Simplify right side
    7,938.04x = 32,677,764.76
  5. Step 5: Solve for x
    x = 32,677,764.76/7,938.04
  6. Step 6: Final answer
    x = 4,116.60

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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.