Home / 7,392.69-11,090.88-2,198.57

Finding the Fourth Proportional to 7,392.69, 11,090.88 and 2,198.57

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Solution

The fourth proportional to 7,392.69, 11,090.88 and 2,198.57 is: 3,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.69 : 11,090.88 = 2,198.57 : x
  2. Step 2: Convert to fraction form
    7,392.69/11,090.88 = 2,198.57/x
  3. Step 3: Cross multiply
    7,392.69x = 11,090.88 × 2,198.57
  4. Step 4: Simplify right side
    7,392.69x = 24,384,020.59
  5. Step 5: Solve for x
    x = 24,384,020.59/7,392.69
  6. Step 6: Final answer
    x = 3,298.40

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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.