Home / 7,443.75-11,166.78-2,513.01

Finding the Fourth Proportional to 7,443.75, 11,166.78 and 2,513.01

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Solution

The fourth proportional to 7,443.75, 11,166.78 and 2,513.01 is: 3,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.75 : 11,166.78 = 2,513.01 : x
  2. Step 2: Convert to fraction form
    7,443.75/11,166.78 = 2,513.01/x
  3. Step 3: Cross multiply
    7,443.75x = 11,166.78 × 2,513.01
  4. Step 4: Simplify right side
    7,443.75x = 28,062,229.81
  5. Step 5: Solve for x
    x = 28,062,229.81/7,443.75
  6. Step 6: Final answer
    x = 3,769.90

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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.