Home / 6,905.13-9,528.75-3,761.25

Finding the Fourth Proportional to 6,905.13, 9,528.75 and 3,761.25

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Solution

The fourth proportional to 6,905.13, 9,528.75 and 3,761.25 is: 5,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.13 : 9,528.75 = 3,761.25 : x
  2. Step 2: Convert to fraction form
    6,905.13/9,528.75 = 3,761.25/x
  3. Step 3: Cross multiply
    6,905.13x = 9,528.75 × 3,761.25
  4. Step 4: Simplify right side
    6,905.13x = 35,840,010.94
  5. Step 5: Solve for x
    x = 35,840,010.94/6,905.13
  6. Step 6: Final answer
    x = 5,190.35

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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.