Home / 5,191.29-7,773.03-2,720.89

Finding the Fourth Proportional to 5,191.29, 7,773.03 and 2,720.89

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Solution

The fourth proportional to 5,191.29, 7,773.03 and 2,720.89 is: 4,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.29 : 7,773.03 = 2,720.89 : x
  2. Step 2: Convert to fraction form
    5,191.29/7,773.03 = 2,720.89/x
  3. Step 3: Cross multiply
    5,191.29x = 7,773.03 × 2,720.89
  4. Step 4: Simplify right side
    5,191.29x = 21,149,569.31
  5. Step 5: Solve for x
    x = 21,149,569.31/5,191.29
  6. Step 6: Final answer
    x = 4,074.05

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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.