Home / 7,480.06-11,221.70-2,285.80

Finding the Fourth Proportional to 7,480.06, 11,221.70 and 2,285.80

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Solution

The fourth proportional to 7,480.06, 11,221.70 and 2,285.80 is: 3,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.06 : 11,221.70 = 2,285.80 : x
  2. Step 2: Convert to fraction form
    7,480.06/11,221.70 = 2,285.80/x
  3. Step 3: Cross multiply
    7,480.06x = 11,221.70 × 2,285.80
  4. Step 4: Simplify right side
    7,480.06x = 25,650,561.86
  5. Step 5: Solve for x
    x = 25,650,561.86/7,480.06
  6. Step 6: Final answer
    x = 3,429.19

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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.