Home / 9,230.62-12,736.20-5,451.21

Finding the Fourth Proportional to 9,230.62, 12,736.20 and 5,451.21

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Solution

The fourth proportional to 9,230.62, 12,736.20 and 5,451.21 is: 7,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.62 : 12,736.20 = 5,451.21 : x
  2. Step 2: Convert to fraction form
    9,230.62/12,736.20 = 5,451.21/x
  3. Step 3: Cross multiply
    9,230.62x = 12,736.20 × 5,451.21
  4. Step 4: Simplify right side
    9,230.62x = 69,427,609.86
  5. Step 5: Solve for x
    x = 69,427,609.86/9,230.62
  6. Step 6: Final answer
    x = 7,521.45

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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.