Home / 7,390.94-10,198.26-4,405.68

Finding the Fourth Proportional to 7,390.94, 10,198.26 and 4,405.68

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Solution

The fourth proportional to 7,390.94, 10,198.26 and 4,405.68 is: 6,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.94 : 10,198.26 = 4,405.68 : x
  2. Step 2: Convert to fraction form
    7,390.94/10,198.26 = 4,405.68/x
  3. Step 3: Cross multiply
    7,390.94x = 10,198.26 × 4,405.68
  4. Step 4: Simplify right side
    7,390.94x = 44,930,270.12
  5. Step 5: Solve for x
    x = 44,930,270.12/7,390.94
  6. Step 6: Final answer
    x = 6,079.11

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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.