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Finding the Fourth Proportional to 7,337.96, 11,008.80 and 2,072.96

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Solution

The fourth proportional to 7,337.96, 11,008.80 and 2,072.96 is: 3,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.96 : 11,008.80 = 2,072.96 : x
  2. Step 2: Convert to fraction form
    7,337.96/11,008.80 = 2,072.96/x
  3. Step 3: Cross multiply
    7,337.96x = 11,008.80 × 2,072.96
  4. Step 4: Simplify right side
    7,337.96x = 22,820,802.05
  5. Step 5: Solve for x
    x = 22,820,802.05/7,337.96
  6. Step 6: Final answer
    x = 3,109.97

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1.5x scale

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.