Home / 9,291.97-12,819.26-5,310.94

Finding the Fourth Proportional to 9,291.97, 12,819.26 and 5,310.94

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Solution

The fourth proportional to 9,291.97, 12,819.26 and 5,310.94 is: 7,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.97 : 12,819.26 = 5,310.94 : x
  2. Step 2: Convert to fraction form
    9,291.97/12,819.26 = 5,310.94/x
  3. Step 3: Cross multiply
    9,291.97x = 12,819.26 × 5,310.94
  4. Step 4: Simplify right side
    9,291.97x = 68,082,320.70
  5. Step 5: Solve for x
    x = 68,082,320.70/9,291.97
  6. Step 6: Final answer
    x = 7,327.01

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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.