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Finding the Fourth Proportional to 4,765.80, 7,149.94 and 1,844.34

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Solution

The fourth proportional to 4,765.80, 7,149.94 and 1,844.34 is: 2,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.80 : 7,149.94 = 1,844.34 : x
  2. Step 2: Convert to fraction form
    4,765.80/7,149.94 = 1,844.34/x
  3. Step 3: Cross multiply
    4,765.80x = 7,149.94 × 1,844.34
  4. Step 4: Simplify right side
    4,765.80x = 13,186,920.34
  5. Step 5: Solve for x
    x = 13,186,920.34/4,765.80
  6. Step 6: Final answer
    x = 2,766.99

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1.5x scale

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.