Home / 5,205.11-7,808.82-2,430.27

Finding the Fourth Proportional to 5,205.11, 7,808.82 and 2,430.27

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Solution

The fourth proportional to 5,205.11, 7,808.82 and 2,430.27 is: 3,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.11 : 7,808.82 = 2,430.27 : x
  2. Step 2: Convert to fraction form
    5,205.11/7,808.82 = 2,430.27/x
  3. Step 3: Cross multiply
    5,205.11x = 7,808.82 × 2,430.27
  4. Step 4: Simplify right side
    5,205.11x = 18,977,540.98
  5. Step 5: Solve for x
    x = 18,977,540.98/5,205.11
  6. Step 6: Final answer
    x = 3,645.94

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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.