Home / 7,680.36-11,523.24-4,396.20

Finding the Fourth Proportional to 7,680.36, 11,523.24 and 4,396.20

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Solution

The fourth proportional to 7,680.36, 11,523.24 and 4,396.20 is: 6,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.36 : 11,523.24 = 4,396.20 : x
  2. Step 2: Convert to fraction form
    7,680.36/11,523.24 = 4,396.20/x
  3. Step 3: Cross multiply
    7,680.36x = 11,523.24 × 4,396.20
  4. Step 4: Simplify right side
    7,680.36x = 50,658,467.69
  5. Step 5: Solve for x
    x = 50,658,467.69/7,680.36
  6. Step 6: Final answer
    x = 6,595.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.