Home / 4,720.83-7,081.70-2,087.99

Finding the Fourth Proportional to 4,720.83, 7,081.70 and 2,087.99

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Solution

The fourth proportional to 4,720.83, 7,081.70 and 2,087.99 is: 3,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.83 : 7,081.70 = 2,087.99 : x
  2. Step 2: Convert to fraction form
    4,720.83/7,081.70 = 2,087.99/x
  3. Step 3: Cross multiply
    4,720.83x = 7,081.70 × 2,087.99
  4. Step 4: Simplify right side
    4,720.83x = 14,786,539.33
  5. Step 5: Solve for x
    x = 14,786,539.33/4,720.83
  6. Step 6: Final answer
    x = 3,132.19

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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.