Home / 5,314.28-7,334.28-3,076.12

Finding the Fourth Proportional to 5,314.28, 7,334.28 and 3,076.12

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Solution

The fourth proportional to 5,314.28, 7,334.28 and 3,076.12 is: 4,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.28 : 7,334.28 = 3,076.12 : x
  2. Step 2: Convert to fraction form
    5,314.28/7,334.28 = 3,076.12/x
  3. Step 3: Cross multiply
    5,314.28x = 7,334.28 × 3,076.12
  4. Step 4: Simplify right side
    5,314.28x = 22,561,125.39
  5. Step 5: Solve for x
    x = 22,561,125.39/5,314.28
  6. Step 6: Final answer
    x = 4,245.38

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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.