Home / 7,338.20-10,992.90-4,407.80

Finding the Fourth Proportional to 7,338.20, 10,992.90 and 4,407.80

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Solution

The fourth proportional to 7,338.20, 10,992.90 and 4,407.80 is: 6,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.20 : 10,992.90 = 4,407.80 : x
  2. Step 2: Convert to fraction form
    7,338.20/10,992.90 = 4,407.80/x
  3. Step 3: Cross multiply
    7,338.20x = 10,992.90 × 4,407.80
  4. Step 4: Simplify right side
    7,338.20x = 48,454,504.62
  5. Step 5: Solve for x
    x = 48,454,504.62/7,338.20
  6. Step 6: Final answer
    x = 6,603.05

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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.