Home / 6,556.12-9,045.94-3,722.80

Finding the Fourth Proportional to 6,556.12, 9,045.94 and 3,722.80

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Solution

The fourth proportional to 6,556.12, 9,045.94 and 3,722.80 is: 5,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.12 : 9,045.94 = 3,722.80 : x
  2. Step 2: Convert to fraction form
    6,556.12/9,045.94 = 3,722.80/x
  3. Step 3: Cross multiply
    6,556.12x = 9,045.94 × 3,722.80
  4. Step 4: Simplify right side
    6,556.12x = 33,676,225.43
  5. Step 5: Solve for x
    x = 33,676,225.43/6,556.12
  6. Step 6: Final answer
    x = 5,136.61

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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.