Home / 6,755.90-9,321.36-4,104.50

Finding the Fourth Proportional to 6,755.90, 9,321.36 and 4,104.50

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Solution

The fourth proportional to 6,755.90, 9,321.36 and 4,104.50 is: 5,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.90 : 9,321.36 = 4,104.50 : x
  2. Step 2: Convert to fraction form
    6,755.90/9,321.36 = 4,104.50/x
  3. Step 3: Cross multiply
    6,755.90x = 9,321.36 × 4,104.50
  4. Step 4: Simplify right side
    6,755.90x = 38,259,522.12
  5. Step 5: Solve for x
    x = 38,259,522.12/6,755.90
  6. Step 6: Final answer
    x = 5,663.13

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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.