Home / 5,028.60-6,940.17-4,188.09

Finding the Fourth Proportional to 5,028.60, 6,940.17 and 4,188.09

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Solution

The fourth proportional to 5,028.60, 6,940.17 and 4,188.09 is: 5,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.60 : 6,940.17 = 4,188.09 : x
  2. Step 2: Convert to fraction form
    5,028.60/6,940.17 = 4,188.09/x
  3. Step 3: Cross multiply
    5,028.60x = 6,940.17 × 4,188.09
  4. Step 4: Simplify right side
    5,028.60x = 29,066,056.58
  5. Step 5: Solve for x
    x = 29,066,056.58/5,028.60
  6. Step 6: Final answer
    x = 5,780.15

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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.