Home / 7,272.81-10,905.17-3,374.28

Finding the Fourth Proportional to 7,272.81, 10,905.17 and 3,374.28

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Solution

The fourth proportional to 7,272.81, 10,905.17 and 3,374.28 is: 5,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.81 : 10,905.17 = 3,374.28 : x
  2. Step 2: Convert to fraction form
    7,272.81/10,905.17 = 3,374.28/x
  3. Step 3: Cross multiply
    7,272.81x = 10,905.17 × 3,374.28
  4. Step 4: Simplify right side
    7,272.81x = 36,797,080.16
  5. Step 5: Solve for x
    x = 36,797,080.16/7,272.81
  6. Step 6: Final answer
    x = 5,059.54

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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.