Home / 4,727.20-7,089.20-1,765.03

Finding the Fourth Proportional to 4,727.20, 7,089.20 and 1,765.03

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Solution

The fourth proportional to 4,727.20, 7,089.20 and 1,765.03 is: 2,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.20 : 7,089.20 = 1,765.03 : x
  2. Step 2: Convert to fraction form
    4,727.20/7,089.20 = 1,765.03/x
  3. Step 3: Cross multiply
    4,727.20x = 7,089.20 × 1,765.03
  4. Step 4: Simplify right side
    4,727.20x = 12,512,650.68
  5. Step 5: Solve for x
    x = 12,512,650.68/4,727.20
  6. Step 6: Final answer
    x = 2,646.95

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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.