Home / 5,388.33-8,081.97-1,877.49

Finding the Fourth Proportional to 5,388.33, 8,081.97 and 1,877.49

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Solution

The fourth proportional to 5,388.33, 8,081.97 and 1,877.49 is: 2,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.33 : 8,081.97 = 1,877.49 : x
  2. Step 2: Convert to fraction form
    5,388.33/8,081.97 = 1,877.49/x
  3. Step 3: Cross multiply
    5,388.33x = 8,081.97 × 1,877.49
  4. Step 4: Simplify right side
    5,388.33x = 15,173,817.86
  5. Step 5: Solve for x
    x = 15,173,817.86/5,388.33
  6. Step 6: Final answer
    x = 2,816.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.