Home / 6,083.60-9,128.10-2,190.80

Finding the Fourth Proportional to 6,083.60, 9,128.10 and 2,190.80

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Solution

The fourth proportional to 6,083.60, 9,128.10 and 2,190.80 is: 3,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,083.60 : 9,128.10 = 2,190.80 : x
  2. Step 2: Convert to fraction form
    6,083.60/9,128.10 = 2,190.80/x
  3. Step 3: Cross multiply
    6,083.60x = 9,128.10 × 2,190.80
  4. Step 4: Simplify right side
    6,083.60x = 19,997,841.48
  5. Step 5: Solve for x
    x = 19,997,841.48/6,083.60
  6. Step 6: Final answer
    x = 3,287.17

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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.