Home / 9,197.28-12,692.34-5,218.65

Finding the Fourth Proportional to 9,197.28, 12,692.34 and 5,218.65

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Solution

The fourth proportional to 9,197.28, 12,692.34 and 5,218.65 is: 7,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.28 : 12,692.34 = 5,218.65 : x
  2. Step 2: Convert to fraction form
    9,197.28/12,692.34 = 5,218.65/x
  3. Step 3: Cross multiply
    9,197.28x = 12,692.34 × 5,218.65
  4. Step 4: Simplify right side
    9,197.28x = 66,236,880.14
  5. Step 5: Solve for x
    x = 66,236,880.14/9,197.28
  6. Step 6: Final answer
    x = 7,201.79

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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.