Home / 6,905.45-9,526.66-3,918.83

Finding the Fourth Proportional to 6,905.45, 9,526.66 and 3,918.83

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Solution

The fourth proportional to 6,905.45, 9,526.66 and 3,918.83 is: 5,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.45 : 9,526.66 = 3,918.83 : x
  2. Step 2: Convert to fraction form
    6,905.45/9,526.66 = 3,918.83/x
  3. Step 3: Cross multiply
    6,905.45x = 9,526.66 × 3,918.83
  4. Step 4: Simplify right side
    6,905.45x = 37,333,379.21
  5. Step 5: Solve for x
    x = 37,333,379.21/6,905.45
  6. Step 6: Final answer
    x = 5,406.36

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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.