Home / 6,839.40-10,259.10-3,923.40

Finding the Fourth Proportional to 6,839.40, 10,259.10 and 3,923.40

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Solution

The fourth proportional to 6,839.40, 10,259.10 and 3,923.40 is: 5,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.40 : 10,259.10 = 3,923.40 : x
  2. Step 2: Convert to fraction form
    6,839.40/10,259.10 = 3,923.40/x
  3. Step 3: Cross multiply
    6,839.40x = 10,259.10 × 3,923.40
  4. Step 4: Simplify right side
    6,839.40x = 40,250,552.94
  5. Step 5: Solve for x
    x = 40,250,552.94/6,839.40
  6. Step 6: Final answer
    x = 5,885.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.