Home / 7,430.75-11,145.87-2,500.28

Finding the Fourth Proportional to 7,430.75, 11,145.87 and 2,500.28

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Solution

The fourth proportional to 7,430.75, 11,145.87 and 2,500.28 is: 3,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.75 : 11,145.87 = 2,500.28 : x
  2. Step 2: Convert to fraction form
    7,430.75/11,145.87 = 2,500.28/x
  3. Step 3: Cross multiply
    7,430.75x = 11,145.87 × 2,500.28
  4. Step 4: Simplify right side
    7,430.75x = 27,867,795.84
  5. Step 5: Solve for x
    x = 27,867,795.84/7,430.75
  6. Step 6: Final answer
    x = 3,750.33

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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.