Home / 6,923.55-9,555.04-3,939.51

Finding the Fourth Proportional to 6,923.55, 9,555.04 and 3,939.51

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Solution

The fourth proportional to 6,923.55, 9,555.04 and 3,939.51 is: 5,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.55 : 9,555.04 = 3,939.51 : x
  2. Step 2: Convert to fraction form
    6,923.55/9,555.04 = 3,939.51/x
  3. Step 3: Cross multiply
    6,923.55x = 9,555.04 × 3,939.51
  4. Step 4: Simplify right side
    6,923.55x = 37,642,118.01
  5. Step 5: Solve for x
    x = 37,642,118.01/6,923.55
  6. Step 6: Final answer
    x = 5,436.83

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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.