Home / 5,180.01-7,148.38-2,822.15

Finding the Fourth Proportional to 5,180.01, 7,148.38 and 2,822.15

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Solution

The fourth proportional to 5,180.01, 7,148.38 and 2,822.15 is: 3,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.01 : 7,148.38 = 2,822.15 : x
  2. Step 2: Convert to fraction form
    5,180.01/7,148.38 = 2,822.15/x
  3. Step 3: Cross multiply
    5,180.01x = 7,148.38 × 2,822.15
  4. Step 4: Simplify right side
    5,180.01x = 20,173,800.62
  5. Step 5: Solve for x
    x = 20,173,800.62/5,180.01
  6. Step 6: Final answer
    x = 3,894.55

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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.