Home / 6,821.76-10,230.60-2,438.24

Finding the Fourth Proportional to 6,821.76, 10,230.60 and 2,438.24

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Solution

The fourth proportional to 6,821.76, 10,230.60 and 2,438.24 is: 3,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.76 : 10,230.60 = 2,438.24 : x
  2. Step 2: Convert to fraction form
    6,821.76/10,230.60 = 2,438.24/x
  3. Step 3: Cross multiply
    6,821.76x = 10,230.60 × 2,438.24
  4. Step 4: Simplify right side
    6,821.76x = 24,944,658.14
  5. Step 5: Solve for x
    x = 24,944,658.14/6,821.76
  6. Step 6: Final answer
    x = 3,656.63

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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.