Home / 6,618.68-9,926.58-3,330.80

Finding the Fourth Proportional to 6,618.68, 9,926.58 and 3,330.80

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Solution

The fourth proportional to 6,618.68, 9,926.58 and 3,330.80 is: 4,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.68 : 9,926.58 = 3,330.80 : x
  2. Step 2: Convert to fraction form
    6,618.68/9,926.58 = 3,330.80/x
  3. Step 3: Cross multiply
    6,618.68x = 9,926.58 × 3,330.80
  4. Step 4: Simplify right side
    6,618.68x = 33,063,452.66
  5. Step 5: Solve for x
    x = 33,063,452.66/6,618.68
  6. Step 6: Final answer
    x = 4,995.48

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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.