Home / 6,905.10-9,528.98-3,761.28

Finding the Fourth Proportional to 6,905.10, 9,528.98 and 3,761.28

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Solution

The fourth proportional to 6,905.10, 9,528.98 and 3,761.28 is: 5,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.10 : 9,528.98 = 3,761.28 : x
  2. Step 2: Convert to fraction form
    6,905.10/9,528.98 = 3,761.28/x
  3. Step 3: Cross multiply
    6,905.10x = 9,528.98 × 3,761.28
  4. Step 4: Simplify right side
    6,905.10x = 35,841,195.12
  5. Step 5: Solve for x
    x = 35,841,195.12/6,905.10
  6. Step 6: Final answer
    x = 5,190.54

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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.