Home / 6,923.48-9,552.20-3,939.30

Finding the Fourth Proportional to 6,923.48, 9,552.20 and 3,939.30

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Solution

The fourth proportional to 6,923.48, 9,552.20 and 3,939.30 is: 5,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.48 : 9,552.20 = 3,939.30 : x
  2. Step 2: Convert to fraction form
    6,923.48/9,552.20 = 3,939.30/x
  3. Step 3: Cross multiply
    6,923.48x = 9,552.20 × 3,939.30
  4. Step 4: Simplify right side
    6,923.48x = 37,628,961.76
  5. Step 5: Solve for x
    x = 37,628,961.76/6,923.48
  6. Step 6: Final answer
    x = 5,434.98

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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.