Home / 7,348.98-11,019.78-2,668.80

Finding the Fourth Proportional to 7,348.98, 11,019.78 and 2,668.80

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Solution

The fourth proportional to 7,348.98, 11,019.78 and 2,668.80 is: 4,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.98 : 11,019.78 = 2,668.80 : x
  2. Step 2: Convert to fraction form
    7,348.98/11,019.78 = 2,668.80/x
  3. Step 3: Cross multiply
    7,348.98x = 11,019.78 × 2,668.80
  4. Step 4: Simplify right side
    7,348.98x = 29,409,588.86
  5. Step 5: Solve for x
    x = 29,409,588.86/7,348.98
  6. Step 6: Final answer
    x = 4,001.86

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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.