Home / 5,080.57-7,011.27-3,091.21

Finding the Fourth Proportional to 5,080.57, 7,011.27 and 3,091.21

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Solution

The fourth proportional to 5,080.57, 7,011.27 and 3,091.21 is: 4,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.57 : 7,011.27 = 3,091.21 : x
  2. Step 2: Convert to fraction form
    5,080.57/7,011.27 = 3,091.21/x
  3. Step 3: Cross multiply
    5,080.57x = 7,011.27 × 3,091.21
  4. Step 4: Simplify right side
    5,080.57x = 21,673,307.94
  5. Step 5: Solve for x
    x = 21,673,307.94/5,080.57
  6. Step 6: Final answer
    x = 4,265.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.