Home / 5,131.14-7,080.98-2,773.28

Finding the Fourth Proportional to 5,131.14, 7,080.98 and 2,773.28

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Solution

The fourth proportional to 5,131.14, 7,080.98 and 2,773.28 is: 3,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.14 : 7,080.98 = 2,773.28 : x
  2. Step 2: Convert to fraction form
    5,131.14/7,080.98 = 2,773.28/x
  3. Step 3: Cross multiply
    5,131.14x = 7,080.98 × 2,773.28
  4. Step 4: Simplify right side
    5,131.14x = 19,637,540.21
  5. Step 5: Solve for x
    x = 19,637,540.21/5,131.14
  6. Step 6: Final answer
    x = 3,827.13

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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.