Home / 7,332.68-10,998.84-2,138.60

Finding the Fourth Proportional to 7,332.68, 10,998.84 and 2,138.60

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Solution

The fourth proportional to 7,332.68, 10,998.84 and 2,138.60 is: 3,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.68 : 10,998.84 = 2,138.60 : x
  2. Step 2: Convert to fraction form
    7,332.68/10,998.84 = 2,138.60/x
  3. Step 3: Cross multiply
    7,332.68x = 10,998.84 × 2,138.60
  4. Step 4: Simplify right side
    7,332.68x = 23,522,119.22
  5. Step 5: Solve for x
    x = 23,522,119.22/7,332.68
  6. Step 6: Final answer
    x = 3,207.85

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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.