Home / 5,167.93-7,131.54-2,810.07

Finding the Fourth Proportional to 5,167.93, 7,131.54 and 2,810.07

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Solution

The fourth proportional to 5,167.93, 7,131.54 and 2,810.07 is: 3,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.93 : 7,131.54 = 2,810.07 : x
  2. Step 2: Convert to fraction form
    5,167.93/7,131.54 = 2,810.07/x
  3. Step 3: Cross multiply
    5,167.93x = 7,131.54 × 2,810.07
  4. Step 4: Simplify right side
    5,167.93x = 20,040,126.61
  5. Step 5: Solve for x
    x = 20,040,126.61/5,167.93
  6. Step 6: Final answer
    x = 3,877.79

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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.