Home / 7,131.03-10,697.55-2,199.75

Finding the Fourth Proportional to 7,131.03, 10,697.55 and 2,199.75

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Solution

The fourth proportional to 7,131.03, 10,697.55 and 2,199.75 is: 3,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.03 : 10,697.55 = 2,199.75 : x
  2. Step 2: Convert to fraction form
    7,131.03/10,697.55 = 2,199.75/x
  3. Step 3: Cross multiply
    7,131.03x = 10,697.55 × 2,199.75
  4. Step 4: Simplify right side
    7,131.03x = 23,531,935.61
  5. Step 5: Solve for x
    x = 23,531,935.61/7,131.03
  6. Step 6: Final answer
    x = 3,299.94

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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.