Home / 7,330.78-10,996.54-2,137.06

Finding the Fourth Proportional to 7,330.78, 10,996.54 and 2,137.06

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Solution

The fourth proportional to 7,330.78, 10,996.54 and 2,137.06 is: 3,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.78 : 10,996.54 = 2,137.06 : x
  2. Step 2: Convert to fraction form
    7,330.78/10,996.54 = 2,137.06/x
  3. Step 3: Cross multiply
    7,330.78x = 10,996.54 × 2,137.06
  4. Step 4: Simplify right side
    7,330.78x = 23,500,265.77
  5. Step 5: Solve for x
    x = 23,500,265.77/7,330.78
  6. Step 6: Final answer
    x = 3,205.70

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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.