Home / 7,276.28-10,905.89-3,372.48

Finding the Fourth Proportional to 7,276.28, 10,905.89 and 3,372.48

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Solution

The fourth proportional to 7,276.28, 10,905.89 and 3,372.48 is: 5,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.28 : 10,905.89 = 3,372.48 : x
  2. Step 2: Convert to fraction form
    7,276.28/10,905.89 = 3,372.48/x
  3. Step 3: Cross multiply
    7,276.28x = 10,905.89 × 3,372.48
  4. Step 4: Simplify right side
    7,276.28x = 36,779,879.04
  5. Step 5: Solve for x
    x = 36,779,879.04/7,276.28
  6. Step 6: Final answer
    x = 5,054.77

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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.