Home / 6,939.54-9,575.43-3,955.43

Finding the Fourth Proportional to 6,939.54, 9,575.43 and 3,955.43

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Solution

The fourth proportional to 6,939.54, 9,575.43 and 3,955.43 is: 5,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.54 : 9,575.43 = 3,955.43 : x
  2. Step 2: Convert to fraction form
    6,939.54/9,575.43 = 3,955.43/x
  3. Step 3: Cross multiply
    6,939.54x = 9,575.43 × 3,955.43
  4. Step 4: Simplify right side
    6,939.54x = 37,874,895.21
  5. Step 5: Solve for x
    x = 37,874,895.21/6,939.54
  6. Step 6: Final answer
    x = 5,457.84

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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.