Home / 9,202.17-12,697.92-5,425.05

Finding the Fourth Proportional to 9,202.17, 12,697.92 and 5,425.05

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Solution

The fourth proportional to 9,202.17, 12,697.92 and 5,425.05 is: 7,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.17 : 12,697.92 = 5,425.05 : x
  2. Step 2: Convert to fraction form
    9,202.17/12,697.92 = 5,425.05/x
  3. Step 3: Cross multiply
    9,202.17x = 12,697.92 × 5,425.05
  4. Step 4: Simplify right side
    9,202.17x = 68,886,850.90
  5. Step 5: Solve for x
    x = 68,886,850.90/9,202.17
  6. Step 6: Final answer
    x = 7,485.94

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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.