Home / 5,188.43-7,160.03-2,830.58

Finding the Fourth Proportional to 5,188.43, 7,160.03 and 2,830.58

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Solution

The fourth proportional to 5,188.43, 7,160.03 and 2,830.58 is: 3,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.43 : 7,160.03 = 2,830.58 : x
  2. Step 2: Convert to fraction form
    5,188.43/7,160.03 = 2,830.58/x
  3. Step 3: Cross multiply
    5,188.43x = 7,160.03 × 2,830.58
  4. Step 4: Simplify right side
    5,188.43x = 20,266,987.76
  5. Step 5: Solve for x
    x = 20,266,987.76/5,188.43
  6. Step 6: Final answer
    x = 3,906.19

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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.