Home / 7,269.13-10,905.31-2,652.13

Finding the Fourth Proportional to 7,269.13, 10,905.31 and 2,652.13

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Solution

The fourth proportional to 7,269.13, 10,905.31 and 2,652.13 is: 3,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.13 : 10,905.31 = 2,652.13 : x
  2. Step 2: Convert to fraction form
    7,269.13/10,905.31 = 2,652.13/x
  3. Step 3: Cross multiply
    7,269.13x = 10,905.31 × 2,652.13
  4. Step 4: Simplify right side
    7,269.13x = 28,922,299.81
  5. Step 5: Solve for x
    x = 28,922,299.81/7,269.13
  6. Step 6: Final answer
    x = 3,978.78

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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.