Home / 6,922.64-9,553.53-3,938.99

Finding the Fourth Proportional to 6,922.64, 9,553.53 and 3,938.99

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Solution

The fourth proportional to 6,922.64, 9,553.53 and 3,938.99 is: 5,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.64 : 9,553.53 = 3,938.99 : x
  2. Step 2: Convert to fraction form
    6,922.64/9,553.53 = 3,938.99/x
  3. Step 3: Cross multiply
    6,922.64x = 9,553.53 × 3,938.99
  4. Step 4: Simplify right side
    6,922.64x = 37,631,259.13
  5. Step 5: Solve for x
    x = 37,631,259.13/6,922.64
  6. Step 6: Final answer
    x = 5,435.97

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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.