Home / 5,168.67-7,132.73-2,810.80

Finding the Fourth Proportional to 5,168.67, 7,132.73 and 2,810.80

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Solution

The fourth proportional to 5,168.67, 7,132.73 and 2,810.80 is: 3,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.67 : 7,132.73 = 2,810.80 : x
  2. Step 2: Convert to fraction form
    5,168.67/7,132.73 = 2,810.80/x
  3. Step 3: Cross multiply
    5,168.67x = 7,132.73 × 2,810.80
  4. Step 4: Simplify right side
    5,168.67x = 20,048,672.35
  5. Step 5: Solve for x
    x = 20,048,672.35/5,168.67
  6. Step 6: Final answer
    x = 3,878.89

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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.