Home / 7,402.86-11,104.32-2,723.28

Finding the Fourth Proportional to 7,402.86, 11,104.32 and 2,723.28

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Solution

The fourth proportional to 7,402.86, 11,104.32 and 2,723.28 is: 4,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.86 : 11,104.32 = 2,723.28 : x
  2. Step 2: Convert to fraction form
    7,402.86/11,104.32 = 2,723.28/x
  3. Step 3: Cross multiply
    7,402.86x = 11,104.32 × 2,723.28
  4. Step 4: Simplify right side
    7,402.86x = 30,240,172.57
  5. Step 5: Solve for x
    x = 30,240,172.57/7,402.86
  6. Step 6: Final answer
    x = 4,084.93

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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.