Home / 9,230.39-12,735.17-5,453.90

Finding the Fourth Proportional to 9,230.39, 12,735.17 and 5,453.90

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Solution

The fourth proportional to 9,230.39, 12,735.17 and 5,453.90 is: 7,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.39 : 12,735.17 = 5,453.90 : x
  2. Step 2: Convert to fraction form
    9,230.39/12,735.17 = 5,453.90/x
  3. Step 3: Cross multiply
    9,230.39x = 12,735.17 × 5,453.90
  4. Step 4: Simplify right side
    9,230.39x = 69,456,279.99
  5. Step 5: Solve for x
    x = 69,456,279.99/9,230.39
  6. Step 6: Final answer
    x = 7,524.74

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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.