Home / 4,780.89-7,171.33-2,006.81

Finding the Fourth Proportional to 4,780.89, 7,171.33 and 2,006.81

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Solution

The fourth proportional to 4,780.89, 7,171.33 and 2,006.81 is: 3,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.89 : 7,171.33 = 2,006.81 : x
  2. Step 2: Convert to fraction form
    4,780.89/7,171.33 = 2,006.81/x
  3. Step 3: Cross multiply
    4,780.89x = 7,171.33 × 2,006.81
  4. Step 4: Simplify right side
    4,780.89x = 14,391,496.76
  5. Step 5: Solve for x
    x = 14,391,496.76/4,780.89
  6. Step 6: Final answer
    x = 3,010.21

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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.