Home / 6,220.31-9,328.03-2,755.13

Finding the Fourth Proportional to 6,220.31, 9,328.03 and 2,755.13

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Solution

The fourth proportional to 6,220.31, 9,328.03 and 2,755.13 is: 4,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.31 : 9,328.03 = 2,755.13 : x
  2. Step 2: Convert to fraction form
    6,220.31/9,328.03 = 2,755.13/x
  3. Step 3: Cross multiply
    6,220.31x = 9,328.03 × 2,755.13
  4. Step 4: Simplify right side
    6,220.31x = 25,699,881.77
  5. Step 5: Solve for x
    x = 25,699,881.77/6,220.31
  6. Step 6: Final answer
    x = 4,131.61

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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.