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Finding the Fourth Proportional to 4,455, 6,680.05 and 3,051.03

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Solution

The fourth proportional to 4,455, 6,680.05 and 3,051.03 is: 4,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 6,680.05 = 3,051.03 : x
  2. Step 2: Convert to fraction form
    4,455/6,680.05 = 3,051.03/x
  3. Step 3: Cross multiply
    4,455x = 6,680.05 × 3,051.03
  4. Step 4: Simplify right side
    4,455x = 20,381,050.37
  5. Step 5: Solve for x
    x = 20,381,050.37/4,455
  6. Step 6: Final answer
    x = 4,574.87

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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.