Home / 5,274.56-7,277.10-3,150.74

Finding the Fourth Proportional to 5,274.56, 7,277.10 and 3,150.74

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Solution

The fourth proportional to 5,274.56, 7,277.10 and 3,150.74 is: 4,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.56 : 7,277.10 = 3,150.74 : x
  2. Step 2: Convert to fraction form
    5,274.56/7,277.10 = 3,150.74/x
  3. Step 3: Cross multiply
    5,274.56x = 7,277.10 × 3,150.74
  4. Step 4: Simplify right side
    5,274.56x = 22,928,250.05
  5. Step 5: Solve for x
    x = 22,928,250.05/5,274.56
  6. Step 6: Final answer
    x = 4,346.95

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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.