Home / 7,332.83-10,999.24-2,138.70

Finding the Fourth Proportional to 7,332.83, 10,999.24 and 2,138.70

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Solution

The fourth proportional to 7,332.83, 10,999.24 and 2,138.70 is: 3,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.83 : 10,999.24 = 2,138.70 : x
  2. Step 2: Convert to fraction form
    7,332.83/10,999.24 = 2,138.70/x
  3. Step 3: Cross multiply
    7,332.83x = 10,999.24 × 2,138.70
  4. Step 4: Simplify right side
    7,332.83x = 23,524,063.89
  5. Step 5: Solve for x
    x = 23,524,063.89/7,332.83
  6. Step 6: Final answer
    x = 3,208.05

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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.