Home / 4,812.05-7,207.14-3,765.53

Finding the Fourth Proportional to 4,812.05, 7,207.14 and 3,765.53

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Solution

The fourth proportional to 4,812.05, 7,207.14 and 3,765.53 is: 5,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.05 : 7,207.14 = 3,765.53 : x
  2. Step 2: Convert to fraction form
    4,812.05/7,207.14 = 3,765.53/x
  3. Step 3: Cross multiply
    4,812.05x = 7,207.14 × 3,765.53
  4. Step 4: Simplify right side
    4,812.05x = 27,138,701.88
  5. Step 5: Solve for x
    x = 27,138,701.88/4,812.05
  6. Step 6: Final answer
    x = 5,639.74

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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.