Home / 7,388.88-10,196.68-4,201.80

Finding the Fourth Proportional to 7,388.88, 10,196.68 and 4,201.80

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Solution

The fourth proportional to 7,388.88, 10,196.68 and 4,201.80 is: 5,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.88 : 10,196.68 = 4,201.80 : x
  2. Step 2: Convert to fraction form
    7,388.88/10,196.68 = 4,201.80/x
  3. Step 3: Cross multiply
    7,388.88x = 10,196.68 × 4,201.80
  4. Step 4: Simplify right side
    7,388.88x = 42,844,410.02
  5. Step 5: Solve for x
    x = 42,844,410.02/7,388.88
  6. Step 6: Final answer
    x = 5,798.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.