Home / 7,358.20-11,022.90-4,427.80

Finding the Fourth Proportional to 7,358.20, 11,022.90 and 4,427.80

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Solution

The fourth proportional to 7,358.20, 11,022.90 and 4,427.80 is: 6,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.20 : 11,022.90 = 4,427.80 : x
  2. Step 2: Convert to fraction form
    7,358.20/11,022.90 = 4,427.80/x
  3. Step 3: Cross multiply
    7,358.20x = 11,022.90 × 4,427.80
  4. Step 4: Simplify right side
    7,358.20x = 48,807,196.62
  5. Step 5: Solve for x
    x = 48,807,196.62/7,358.20
  6. Step 6: Final answer
    x = 6,633.03

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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.