Home / 7,311.12-10,091.24-4,479.44

Finding the Fourth Proportional to 7,311.12, 10,091.24 and 4,479.44

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Solution

The fourth proportional to 7,311.12, 10,091.24 and 4,479.44 is: 6,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.12 : 10,091.24 = 4,479.44 : x
  2. Step 2: Convert to fraction form
    7,311.12/10,091.24 = 4,479.44/x
  3. Step 3: Cross multiply
    7,311.12x = 10,091.24 × 4,479.44
  4. Step 4: Simplify right side
    7,311.12x = 45,203,104.11
  5. Step 5: Solve for x
    x = 45,203,104.11/7,311.12
  6. Step 6: Final answer
    x = 6,182.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.