Home / 7,438.44-11,146.50-4,311.12

Finding the Fourth Proportional to 7,438.44, 11,146.50 and 4,311.12

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Solution

The fourth proportional to 7,438.44, 11,146.50 and 4,311.12 is: 6,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.44 : 11,146.50 = 4,311.12 : x
  2. Step 2: Convert to fraction form
    7,438.44/11,146.50 = 4,311.12/x
  3. Step 3: Cross multiply
    7,438.44x = 11,146.50 × 4,311.12
  4. Step 4: Simplify right side
    7,438.44x = 48,053,899.08
  5. Step 5: Solve for x
    x = 48,053,899.08/7,438.44
  6. Step 6: Final answer
    x = 6,460.21

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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.