Home / 7,110.24-10,664.28-2,729.76

Finding the Fourth Proportional to 7,110.24, 10,664.28 and 2,729.76

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Solution

The fourth proportional to 7,110.24, 10,664.28 and 2,729.76 is: 4,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.24 : 10,664.28 = 2,729.76 : x
  2. Step 2: Convert to fraction form
    7,110.24/10,664.28 = 2,729.76/x
  3. Step 3: Cross multiply
    7,110.24x = 10,664.28 × 2,729.76
  4. Step 4: Simplify right side
    7,110.24x = 29,110,924.97
  5. Step 5: Solve for x
    x = 29,110,924.97/7,110.24
  6. Step 6: Final answer
    x = 4,094.23

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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.