Home / 5,131.12-7,080.96-2,773.26

Finding the Fourth Proportional to 5,131.12, 7,080.96 and 2,773.26

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Solution

The fourth proportional to 5,131.12, 7,080.96 and 2,773.26 is: 3,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.12 : 7,080.96 = 2,773.26 : x
  2. Step 2: Convert to fraction form
    5,131.12/7,080.96 = 2,773.26/x
  3. Step 3: Cross multiply
    5,131.12x = 7,080.96 × 2,773.26
  4. Step 4: Simplify right side
    5,131.12x = 19,637,343.13
  5. Step 5: Solve for x
    x = 19,637,343.13/5,131.12
  6. Step 6: Final answer
    x = 3,827.11

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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.