Home / 6,902.11-9,525.90-3,917.31

Finding the Fourth Proportional to 6,902.11, 9,525.90 and 3,917.31

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Solution

The fourth proportional to 6,902.11, 9,525.90 and 3,917.31 is: 5,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.11 : 9,525.90 = 3,917.31 : x
  2. Step 2: Convert to fraction form
    6,902.11/9,525.90 = 3,917.31/x
  3. Step 3: Cross multiply
    6,902.11x = 9,525.90 × 3,917.31
  4. Step 4: Simplify right side
    6,902.11x = 37,315,935.88
  5. Step 5: Solve for x
    x = 37,315,935.88/6,902.11
  6. Step 6: Final answer
    x = 5,406.45

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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.