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Finding the Fourth Proportional to 7,224.75, 10,837.13 and 2,607.75

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Solution

The fourth proportional to 7,224.75, 10,837.13 and 2,607.75 is: 3,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.75 : 10,837.13 = 2,607.75 : x
  2. Step 2: Convert to fraction form
    7,224.75/10,837.13 = 2,607.75/x
  3. Step 3: Cross multiply
    7,224.75x = 10,837.13 × 2,607.75
  4. Step 4: Simplify right side
    7,224.75x = 28,260,525.76
  5. Step 5: Solve for x
    x = 28,260,525.76/7,224.75
  6. Step 6: Final answer
    x = 3,911.63

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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.